Definition of Back

1. Noun. The posterior part of a human (or animal) body from the neck to the end of the spine. "His back was nicely tanned"

Exact synonyms: Dorsum
Terms within: Saddle, Small, Lat, Latissimus Dorsi, Dorsal Vertebra, Thoracic Vertebra, Lumbar Vertebra
Generic synonyms: Body Part
Group relationships: Body, Torso, Trunk
Derivative terms: Dorsal

2. Verb. Be behind; approve of. "I backed Kennedy in 1960"

3. Adjective. Related to or located at the back. "The back entrance"

4. Adverb. In or to or toward a former location. "She went back to her parents' house"

5. Noun. The side that goes last or is not normally seen. "He wrote the date on the back of the photograph"
Exact synonyms: Rear
Generic synonyms: Side
Specialized synonyms: After Part, Poop, Quarter, Stern, Tail, Empennage, Tail, Tail Assembly
Antonyms: Front
Derivative terms: Rear

6. Verb. Travel backward. "The car backed up and hit the tree"
Generic synonyms: Go, Locomote, Move, Travel
Specialized synonyms: Back Out
Also: Back Down, Back Off, Back Out, Back Up

7. Adjective. Located at or near the back of an animal. "The hinder part of a carcass"
Exact synonyms: Hind, Hinder
Similar to: Posterior

8. Adverb. At or to or toward the back or rear. "She looked rearward out the window of the car"
Exact synonyms: Backward, Backwards, Rearward, Rearwards
Antonyms: Forward

9. Noun. The part of something that is furthest from the normal viewer. "It was hidden in the rear of the store"
Exact synonyms: Rear
Generic synonyms: Place, Position
Antonyms: Front
Derivative terms: Rear

10. Verb. Give support or one's approval to. "Endorse a new project"

11. Adjective. Of an earlier date. "Back issues of the magazine"
Similar to: Noncurrent

12. Adverb. In or to or toward an original condition. "He went back to sleep"

13. Noun. (football) a person who plays in the backfield.

14. Verb. Cause to travel backward. "Back the car into the parking spot"
Antonyms: Advance

15. Adverb. In or to or toward a past time. "Lovers of the past looking fondly backward"
Exact synonyms: Backward
Antonyms: Ahead, Forward

16. Noun. The series of vertebrae forming the axis of the skeleton and protecting the spinal cord. "The fall broke his back"

17. Verb. Support financial backing for. "Sam and Sue back the movie "; "Back this enterprise"
Generic synonyms: Finance
Derivative terms: Backer, Backing, Backing

18. Adverb. In reply. "He wrote back three days later"

19. Noun. The protective covering on the front, back, and spine of a book. "The book had a leather binding"
Exact synonyms: Binding, Book Binding, Cover
Group relationships: Book, Volume
Specialized synonyms: Half Binding, Three-quarter Binding
Generic synonyms: Protection, Protective Cover, Protective Covering
Derivative terms: Bind, Cover, Cover

20. Verb. Be in back of. "My garage backs their yard"
Generic synonyms: Lie
Antonyms: Front

21. Adverb. In repayment or retaliation. "I was kept in after school for talking back to the teacher"

22. Noun. The part of a garment that covers the back of your body. "They pinned a `kick me' sign on his back"
Generic synonyms: Cloth Covering

23. Verb. Place a bet on. "They back the money "; "I'm betting on the new horse"
Exact synonyms: Bet On, Gage, Game, Punt, Stake
Specialized synonyms: Ante, Double Up, Parlay
Generic synonyms: Bet, Play, Wager
Derivative terms: Gaming, Punter, Stake

24. Noun. A support that you can lean against while sitting. "The back of the dental chair was adjustable"
Exact synonyms: Backrest
Specialized synonyms: Cantle, Ladder-back
Group relationships: Car Seat, Chair
Generic synonyms: Support

25. Verb. Shift to a counterclockwise direction. "The wind backed"
Generic synonyms: Change Over, Shift, Switch
Antonyms: Veer

26. Noun. (American football) the position of a player on a football team who is stationed behind the line of scrimmage.
Category relationships: American Football, American Football Game
Generic synonyms: Position
Specialized synonyms: Line Backer, Linebacker, Field General, Quarterback, Signal Caller, Fullback, Halfback, Tailback, Wingback
Group relationships: Backfield, Secondary

27. Verb. Establish as valid or genuine. "Can you back up your claims?"
Exact synonyms: Back Up
Generic synonyms: Affirm, Confirm, Corroborate, Substantiate, Support, Sustain

28. Verb. Strengthen by providing with a back or backing.
Generic synonyms: Strengthen
Derivative terms: Backing

Definition of Back

1. n. A large shallow vat; a cistern, tub, or trough, used by brewers, distillers, dyers, picklers, gluemakers, and others, for mixing or cooling wort, holding water, hot glue, etc.

2. n. In human beings, the hinder part of the body, extending from the neck to the end of the spine; in other animals, that part of the body which corresponds most nearly to such part of a human being; as, the back of a horse, fish, or lobster.

3. a. Being at the back or in the rear; distant; remote; as, the back door; back settlements.

4. v. t. To get upon the back of; to mount.

5. v. i. To move or go backward; as, the horse refuses to back.

6. adv. In, to, or toward, the rear; as, to stand back; to step back.

Definition of Back

1. Adjective. Near the rear. ¹

2. Adjective. Not current. ¹

3. Adjective. Far from the main area. ¹

4. Adjective. (comparable) (phonetics) Produced in the back of the mouth. ¹

5. Adverb. (not comparable) To or in a previous condition or place. ¹

6. Adverb. Away from the front or from an edge. ¹

7. Adverb. In a manner that impedes. ¹

8. Adverb. In a reciprocal manner. ¹

9. Noun. The rear of body, especially the part between the neck and the end of the spine and opposite the chest and belly. ¹

10. Noun. The spine and associated tissues. ¹

11. Noun. The side of any object which is opposite the front or useful side. ¹

12. Noun. The reverse side; the side that is not normally seen. ¹

13. Noun. That which is farthest away from the front. ¹

14. Noun. Area behind, such as the backyard of a house ¹

15. Noun. The part of something that goes last. ¹

16. Noun. The side of a blade opposite the side used for cutting. ¹

17. Noun. The part of a piece of clothing which covers the back. ¹

18. Noun. The edge of a book which is bound. ¹

19. Noun. The backrest, the part of a piece of furniture which receives the human back. ¹

20. Noun. (figuratively) Upper part of a natural object which is considered to resemble an animal's back. ¹

21. Noun. (obsolete) That part of the body that bears clothing. ¹

22. Noun. (sports) In some team sports, a position behind most players on the team. ¹

23. Noun. (nautical) The keel and keelson of a ship. ¹

24. Noun. (printing) The inside margin of a page. ¹

25. Noun. (mining) The roof of a horizontal underground passage. ¹

26. Noun. (slang uncountable) Effort, usually physical. ¹

27. Noun. (slang uncountable) Large and attractive buttocks. ¹

28. Noun. A non-alcoholic drink (often water or a soft drink), to go with hard liquor or a cocktail. ¹

29. Verb. To go in the reverse direction. ¹

30. Verb. To support. ¹

31. Verb. (nautical of the wind) to change direction contrary to its normal pattern (anticlockwise in the northern hemisphere, clockwise in the southern) ¹

32. Verb. (nautical of a square sail) to brace the yards so that the wind presses on the front of the sail, to slow the ship ¹

33. Verb. (nautical of an anchor) to lay out a second, smaller anchor to provide additional holding power ¹

¹ Source:

Definition of Back

1. to support [v -ED, -ING, -S] - See also: support

Medical Definition of Back

1. 1. Being at the back or in the rear; distant; remote; as, the back door; back settlements. 2. Being in arrear; overdue; as, back rent. 3. Moving or operating backward; as, back action. Back charges, charges brought forward after an account has been made up. Back filling, the retrograde movement of a man or body of men, without changing front. Back stream, a current running against the main current of a stream; an eddy. To take the back track, to retrace one's steps; to retreat. 1. In human beings, the hinder part of the body, extending from the neck to the end of the spine; in other animals, that part of the body which corresponds most nearly to such part of a human being; as, the back of a horse, fish, or lobster. 2. An extended upper part, as of a mountain or ridge. "[The mountains] their broad bare backs upheave Into the clouds." (Milton) 3. The outward or upper part of a thing, as opposed to the inner or lower part; as, the back of the hand, the back of the foot, the back of a hand rail. "Methought Love pitying me, when he saw this, Gave me your hands, the backs and palms to kiss." (Donne) 4. The part opposed to the front; the hinder or rear part of a thing; as, the back of a book; the back of an army; the back of a chimney. 5. The part opposite to, or most remote from, that which fronts the speaker or actor; or the part out of sight, or not generally seen; as, the back of an island, of a hill, or of a village. 6. The part of a cutting tool on the opposite side from its edge; as, the back of a knife, or of a saw. 7. A support or resource in reserve. "This project Should have a back or second, that might hold, if this should blast in proof." (Shak) 8. The keel and keelson of a ship. 9. The upper part of a lode, or the roof of a horizontal underground passage. 10. A garment for the back; hence, clothing. "A bak to walken inne by daylight." (Chaucer) Behind one's back, when one is absent; without one's knowledge; as, to ridicule a person behind his back. Full back, Half back, Quarter back, players stationed behind those in the front line. To be or lie on one's back, to be helpless. To put, or get, one's back up, to assume an attitude of obstinate resistance (from the action of a cat when attacked). To see the back of, to get rid of. To turn the back, to go away; to flee. To turn the back on one, to forsake or neglect him. Origin: As baec, bac; akin to Icel, Sw, & LG. Bak, Dan. Bag; cf. OHG. Bahho ham, Skr. Bhaj to turn, OSlav. Bg flight. Cf. Bacon. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Back

bacillus anthracis
bacillus cereus
bacillus licheniformis
bacillus megaterium
bacillus phages
bacillus popilliae
bacillus stearothermophilus
bacillus subtilis
bacilysin synthetase
bacitracin synthetase
back-action plugger

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