'let loose' definitions:

Definition of 'let loose'

(from WordNet)
verb
Express audibly; utter sounds (not necessarily words); "She let out a big heavy sigh"; "He uttered strange sounds that nobody could understand" [syn: utter, emit, let out, let loose]
verb
Turn loose or free from restraint; "let loose mines"; "Loose terrible plagues upon humanity" [syn: unleash, let loose, loose]

Synonyms of 'let loose'

From: Moby Thesaurus

Words containing 'let loose'