Definition of "half"
- adjective
- Consisting of a moiety, or half (1/2, 50%). 
- Consisting of some indefinite portion resembling a half; approximately a half, whether more or less; partial; imperfect. 
- Having one parent (rather than two) in common. 
- Related through one common grandparent or ancestor rather than two. 
- Half an hour after the time given; half past. 
- adverb
- In two equal parts or to an equal degree; in some part approximating a half; partially; imperfectly. 
- noun
- One of two equal parts into which anything may be divided, or considered as divided. 
- Half of a standard measure; frequently used (UK) for half a pint of beer or cider. 
- The fraction obtained by dividing 1 by 2. 
- Part; side; behalf. 
- verb
- To halve. 
- Sources