adj.
1.consisting of one of two equivalent parts in value or quantity
2.partial
3.(of siblings) related through one parent only half adv.
1.partially or to the extent of a half half n.
1.one of two equal parts of a divisible whole
2.in various games or performances: either of two periods of play separated by an interval
Idiom of the Day
quick on the uptake
to be quick to understand something
The student is quick on the uptake and understands most scientific theories quickly.