We found one dictionary that defines the word let set sth loose:

General (1 matching dictionary)

1. let/set sth loose: Cambridge Advanced Learner's Dictionary

▸ Words similar to let set sth loose ▸ Usage examples for let set sth loose ▸ Idioms related to let set sth loose ▸ Wikipedia articles (New!) ▸ Words that often appear near let set sth loose ▸ Rhymes of let set sth loose ▸ Invented words related to let set sth loose