(idiomatic) To sleep.

(intransitive, idiomatic) To begin to understand; to realize. / (intransitive, idiomatic) To become popular; to become commonplace; to become the standard.

Counteracting, or suppressing catarrh.

Such an agent.

(idiomatic) Only when possible or when the opportunity presents itself; intermittent. / (wrestling) Relating to catch wrestling, a form of amateur freestyle wrestling.

Ad hoc; in any way possible.

(idiomatic) To use any available means or methods.

An act of catching up or attempting to catch up. / An amount, a thing, or a receipt or repetition of information that enables one to catch up.

(transitive) To pick up suddenly. / (transitive) To entangle. / (intransitive) To be brought up to date with news. / (transitive) To bring (someone) up to date with the news.

Alternative spelling of catch-up