(idiomatic) To be busy or thoroughly preoccupied.

(idiomatic) At full speed; very quickly.

(baseball) An at-bat with a count of three balls and two strikes.

Proceeding fully, quickly, or completely; thoroughly begun and in progress.

simple past tense and past participle of fulfill (US) or fulfil (UK)

Emotionally satisfied; feeling a sense of fulfilment.

plural of fulcrum

Alternative form of full-fledged

plural of fulcrum

Either of two species of pelagic seabird in the genus Fulmarus, Fulmarus glacialis and F. glacialoides, which breed on cliffs.