Definition of Stiffen

1. Verb. Become stiff or stiffer. "He stiffened when he saw his boss enter the room"

Generic synonyms: Change
Specialized synonyms: Rigidify
Antonyms: Loosen
Derivative terms: Stiffening

2. Verb. Make stiff or stiffer. "Stiffen the cream by adding gelatine"
Generic synonyms: Alter, Change, Modify
Specialized synonyms: Starch, Buckram, Ossify, Petrify, Rigidify
Antonyms: Loosen
Derivative terms: Stiffener, Stiffening

3. Verb. Restrict. "Stiffen the regulations"
Exact synonyms: Constrain, Tighten, Tighten Up
Generic synonyms: Bound, Confine, Limit, Restrain, Restrict, Throttle, Trammel

Definition of Stiffen

1. v. t. To make stiff; to make less pliant or flexible; as, to stiffen cloth with starch.

2. v. i. To become stiff or stiffer, in any sense of the adjective.

Definition of Stiffen

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

Lexicographical Neighbors of Stiffen

stiddie
stiddied
stiddies
stie
stied
Stieglitz
sties
stieve
stievely
stiever
stievest
stiff
stiff-backed
stiff-necked
stiffed
stiffen (current term)
stiffened
stiffener
stiffeners
stiffening
stiffens
stiffer
stiffest
stiffie
stiffies
stiffing
stiffish
stiffly
stiffness
stiffnesses

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