Used other than figuratively or idiomatically: see and, a, half. / (colloquial) An intensifier, used to emphasize great extent or degree.

(idiomatic, informal, chiefly in the negative) Only a part of something; not the full picture. Typically it is implied to be the most important part.

Archaic spelling of half.

Archaic spelling of half.

In two equal parts or to an equal degree. / In some part approximating a half. / Partially; imperfectly. / Practically, nearly.

(transitive, obsolete) To halve.

(UK, Ireland) Half past; a half-hour (30 minutes) after the last hour. / (rare, see usage notes) A half-hour to (preceding) the next hour.

(theater) A call reminding performers that the performance will begin in thirty minutes.

(set phrase) Into two halves. / (set phrase) By a divisor of two; to a numerical value which is half of the original value.

(Britain, slang) Greatly; to a considerable extent.