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Definition of Heads-up
1. Adjective. Fully alert and watchful. "Played heads-up ball"
2. Noun. A warning message. "He sent a heads-up to the District Attorney"
Definition of Heads-up
1. Noun. (chiefly US idiomatic) A warning or call to pay attention; an advisory notice. ¹
2. Adjective. With head directly above the neck, eyes front. ¹
3. Adjective. Alert; vigilant ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Heads-up
Literary usage of Heads-up
Below you will find example usage of this term as found in modern and/or classical literature:
1. Life Insurance: A Textbook by Solomon Stephen Huebner (1915)
"The probability of falling heads up, determined by the above rule for valuing
simple probabilities, is ^, since there are two possible sides and one is ..."
2. Black Beauty: His Groom and Companions ; the "Uncle Tom's Cabin of the Horse by Anna Sewell (1894)
"I know that's a hobby of yours ; well, the fact is, I like to see my horses hold
their heads up." " So do I," said master, " as well as any man, ..."
3. Handbook of hydraulics for the solution of hydraulic problems by Horace Williams King (1918)
"Theoretical kilowatts of one cubic foot per second of water for heads up to 100
feet 33 16. ... Theoretical velocities for heads up to 500 feet ... 50 19. ..."
4. Educational Psychology by Daniel Starch (1919)
"Distribution of the number of heads up in tossing ten pennies 1000 times.
The horizontal axis gives the number of possible heads up in each tossing; ..."
5. The Metropolitan (1849)
"Whenever you see his head sinking, you have nothing to do but to cry out " Heads
up, Pompey ! heads up, Pompey ! which is, you know, the same as alia la ..."
6. Comrades of the Mist, and Other Rhymes of the Grand Fleet by Eugene Edward Wilson (1919)
"HEADS UP! When the sea runs high and the rain is cold, And the sharp wind ...
Heads up! When you've been cussed because you failed, Although you've done ..."