• Noun: one of two equal parts of a divisible whole; examples: "half a loaf", "half an hour", "a century and one half"
• Noun: in various games or performances: either of two periods of play separated by an interval
• Adj: consisting of one of two equivalent parts in value or quantity; examples: "a half chicken", "lasted a half hour"
• Adj: partial; examples: "gave me a half smile", "he did only a half job"
• Adj: (of siblings) related through one parent only; examples: "a half brother", "half sister"
• Adv: partially or to the extent of a half; example: "he was half hidden by the bushes"
I spent many a summer early morning with the radio very low, half sleeping and half listening.
The first half of our lives are ruined by our parents and the second half by our children.