half

Listen:
 /hɑːf/


For the noun: half
Plural form: halves

WordReference Random House Learner's Dictionary of American English © 2017
half /hæf/USA pronunciation   n., pl.  halves (havz), pron., adj., adv. 
n. [countable]
  1. one of two equal or nearly equal parts:The two halves of the torn dollar bill fitted together perfectly.
  2. Sporteither of two equal periods of play in a game. Compare quarter (def. 10).
  3. one of two;
    a part of a pair.
  4. Informal Terms the sum of 50 cents:[usually singular]It cost a dollar and a half.

adj. [+ a/the + noun]
  1. a quantity or amount equal to one half of something;
    (½):half a loaf; half a dozen people.

pron. 
  1. a quantity or amount equal to one half of (some group or thing): [plural;
    used with a plural verb
    ]:Of the passengers on the boat, half were American, half were Canadian.[singular;
    used with a singular verb
    ]:The cake was delicious: half was vanilla and half was chocolate.

adj. [before a noun]
  1. being one of two equal or nearly equal parts of a whole:a half quart.
  2. being half in degree, amount, length, etc.:travel at half speed.
  3. partial or incomplete:half measures.

adv. 
  1. in or to the extent or measure of half:Was the glass half full, or half empty?
  2. in part;
    partly;
    incompletely:half understood.
Idioms
  1. Idiomsby half: 
    • by a great deal;
      by far:He is too clever by half.
  2. Idiomshalf again as much or as many, as much as 50 percent more.
  3. Idiomsin half, into two almost equal parts:The vase broke in half.
  4. Idiomsnot (the) half of it, a significant yet relatively minor part of something that remains to be described in full:It's a shocking story, but you don't know the half of it.


WordReference Random House Unabridged Dictionary of American English © 2017
half  (haf, häf ),USA pronunciation n., pl.  halves (havz, hävz),USA pronunciation adj., adv. 
n. 
  1. one of two equal or approximately equal parts of a divisible whole, as an object, or unit of measure or time;
    a part of a whole equal or almost equal to the remainder.
  2. a quantity or amount equal to such a part (½).
  3. Sporteither of two equal periods of play, usually with an intermission or rest period separating them. Cf. quarter (def. 10).
  4. one of two;
    a part of a pair.
  5. Informal Terms
    • See  half dollar. 
    • the sum of 50 cents:Four dimes and two nickels make a half.
  6. Sport[Baseball.]either of the two units of play into which an inning is divided, the visiting team batting in the first unit and the home team batting in the second.
  7. Sport[Football.]a halfback.
  8. British Terms
    • a half-crown coin.
    • the sum of a half crown;
      two shillings, sixpence.
    • a half pint:He ordered a half of ale.
  9. Idiomsnot the half of, a significant yet relatively minor part of something that remains to be described in full:He accused them of being responsible for the error, and that's not the half of the story.Also,  not half of, not half. 

adj. 
  1. being one of two equal or approximately equal parts of a divisible whole:a half quart.
  2. being half or about half of anything in degree, amount, length, etc.:at half speed; half sleeve.
  3. partial or incomplete:half measures.

adv. 
  1. in or to the extent or measure of half.
  2. in part;
    partly;
    incompletely:half understood.
  3. to some extent;
    almost:half recovered.
  4. Idiomsby half, by very much;
    by far:She was too talented by half for her routine role.
  5. Idiomshalf again as much or  as many, as much as 50 percent more:This mug holds half again as much coffee as the smaller one.
  6. Dialect Terms, Idiomshalf in two, [Southern U.S.](chiefly Gulf States). in or into two parts;
    in half:Cut the cake half in two.
  7. Idiomsin half, divided into halves:The vase broke in half.
  8. not half: 
    • not at all;
      not really:His first attempts at painting are not half bad.
    • See  half (def. 9).
  • bef. 900; Middle English; Old English h(e)alf; cognate with German Halb, Old Norse halfr, Gothic halbs
    • 14.See corresponding entry in Unabridged barely, somewhat, partially;
      sort of.


Collins Concise English Dictionary © HarperCollins Publishers::

half /hɑːf/ n ( pl halves /hɑːvz/)
  1. either of two equal or corresponding parts that together comprise a whole
  2. a quantity equalling such a part: half a dozen
  3. half a pint, esp of beer
  4. Scot a small drink of spirits, esp whisky
  5. the half of the pitch regarded as belonging to one team
  6. an equal score on a hole or round with an opponent
  7. (in various games) either of two periods of play separated by an interval (the first half and second half)
  8. a half-price ticket on a bus, train, etc
  9. short for half-hour
  10. short for halfback
  11. obsolete a half-year period
  12. by halfby an excessive amount or to an excessive degree: he's too arrogant by half
  13. by halves ⇒ (used with a negative) without being thorough or exhaustive: we don't do things by halves
  14. go halves
    often followed by on, in, etc: to share the expenses (of something with one other person)
  15. to share the whole amount (of something with another person): to go halves on an orange
determiner
  1. being a half or approximately a half: half the kingdom
  2. (as pronoun; functioning as sing or plural): half of them came
adj
  1. not perfect or complete; partial: he only did a half job on it
adv
  1. to the amount or extent of a half
  2. to a great amount or extent
  3. partially; to an extent
  4. half twoinformal 30 minutes after two o'clock
  5. not halfinformal not in any way: he's not half clever enough
  6. Brit really; very; indeed: he isn't half stupid
  7. certainly; yes, indeed
Etymology: Old English healf; related to Old Norse halfr, Old High German halb, Dutch half



half- prefix
  1. one of two equal parts: half-moon
  2. related by one parent only: half-sister
  3. not completely; partly: half-hardy



'half' also found in these entries:
Collocations: the [first, second] half of the [movie, game, book], (only) half as [long, heavy, much] as, [run, walk, exercise] for half an hour, more...

Forum discussions with the word(s) "half" in the title:


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