¹ half noun

• one of two equal or nearly equal parts into which something can be divided
• either of the two equal periods of playing time in sports like football and basketball
• the time when the first half of a game ends

² half pronoun

• a number or amount that is equal to one half of a total

³ half adjective

• equal or nearly equal in size, value, amount, etc., to one half of something
• not complete : partial —often used in combination

⁴ half adverb

• to an extent that is equal or nearly equal to half of something
• not completely : to some degree : partially