1. (noun) one of two equal parts of a divisible whole

• one-half

1. (noun) one of two equal parts of a divisible whole

• common fraction
• simple fraction

2. (noun) one of two divisions into which some games or performances are divided: the two divisions are separated by an interval

• division
• part
• section

1. (noun) one of two equal parts of a divisible whole

• fifty percent
• mediety
• moiety

2. (noun) one of two divisions into which some games or performances are divided: the two divisions are separated by an interval

• first half
• last half
• second half

1. (adjective) consisting of one of two equivalent parts in value or quantity

• fractional

2. (adjective) partial

• incomplete
• uncomplete

1. (adjective) (of siblings) related through one parent only

• whole