When something is divided into two equal sections, half is one of the two parts. You can split a brownie in half if you want to share it with your friend.

You might live half the year in Alaska and half in Florida — in this case, you spend six months, one half of a 12-month period, in each state. You can also divide food in half or save half your paycheck each week, while spending the other half. Your half brother is a sibling who shares one of your parents; you and he might have the same mother but different fathers. In Old English, half means "side" or "part."

Definitions of half
  1. noun
    one of two equal parts of a divisible whole
    half a loaf”
    half an hour”
    “a century and one half
    synonyms: one-half
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    fifty percent
    a half expressed as a percentage
    mediety, moiety
    one of two (approximately) equal parts
    type of:
    common fraction, simple fraction
    the quotient of two integers
  2. noun
    one of two divisions into which some games or performances are divided: the two divisions are separated by an interval
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    first half
    the first of two halves of play
    last half, second half
    the second of two halves of play
    type of:
    division, part, section
    one of the portions into which something is regarded as divided and which together constitute a whole
  3. adjective
    “gave me a half smile”
    “he did only a half job”
    incomplete, uncomplete
    not complete or total; not completed
  4. adjective
    consisting of one of two equivalent parts in value or quantity
    “a half chicken”
    “lasted a half hour”
    constituting or comprising a part or fraction of a possible whole or entirety
  5. adjective
    (of siblings) related through one parent only
    “a half brother”
    half sister”
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    (of siblings) having the same parents
  6. adverb
    partially or to the extent of a half
    “he was half hidden by the bushes”
Word Family