Select the word or phrase which best expresses the meaning of the given word.

Profuse means abundant, plentiful, or existing in large quantities. 'Ample' is a direct synonym meaning plenty or abundant. 'Defuse' means to remove tension or disarm (unrelated), 'Flimsy' means weak or insubstantial (opposite in connotation), and 'Accept' is unrelated to profuse.

Step-by-step Derivation:
Profuse (adjective) = existing or produced in large quantities; abundant. Synonyms: copious, abundant, ample, lavish. Of the options given, 'Ample' directly matches this meaning as it also means 'enough or more than enough; plentiful.' The other options have no semantic connection to profuse.