(chiefly Scotland) Alternative form of all of a sudden

(chiefly US) open to people of all ages, particularly to children under the age of 18 (of an entertainment event, particularly music or dance)

(informal) Extremely. / Used other than figuratively or idiomatically: see all, kinds, of.

plural of all-American

(informal, vulgar) Nothing (not any thing: no thing).

(chiefly Australia) Without reserve, with no holds barred; totally, completely. / Used other than figuratively or idiomatically: see boots, and all.

(idiomatic) honestly; in truth

plural of save-all

(now rare) Something that prevents waste or loss. / (now chiefly historical) A device in a candlestick to hold the ends of candles, so they can be burned all the way down.

a phrase of salutation, welcome, or acclamation.