Combining two or more items in one unit.

(informal) In one's opinion. / Used other than figuratively or idiomatically: see in, one's, book.

Synonym of one-night stand (single evening's performance) / Synonym of one-night stand (single sexual encounter)

(nonstandard) eleven

present participle of cut one

(colloquial, Ireland, literally) old woman / (colloquial, Ireland, figuratively) mother

Any event lasting one day. / (cricket, informal) A one-day match.

lasting one day

The quality of being right-on.

(figuratively) At once, at the same moment in time.