"half" as noun
1 - One of two usually roughly equal parts into which anything may be divided, or considered as divided.
2 - Half of a standard measure; frequently used for half a pint of beer or cider.
3 - (preceded by “a” or a number) The fraction obtained by dividing 1 by 2.
"half" as verb
1 - To halve.
"half" as adjective
1 - Consisting of a half (1/2, 50%).
2 - Consisting of some indefinite portion resembling a half; approximately a half, whether more or less; partial; imperfect.
3 - (of a sibling) Having one parent (rather than two) in common.
"half" as adverb
1 - In two equal parts or to an equal degree.
2 - In some part approximating a half.
3 - Partially; imperfectly.
"half" as preposition
1 - A half-hour after, thirty minutes after (used with the number of the hour).
