Synonyms of let loose

Verb

1. utter, emit, let out, let loose

usage: express audibly; utter sounds (not necessarily words); "She let out a big heavy sigh"; "He uttered strange sounds that nobody could understand"

2. unleash, let loose, loose, let go of, let go, release, relinquish

usage: turn loose or free from restraint; "let loose mines"; "Loose terrible plagues upon humanity"