Synonyms for groan

Noun

1. groan, moan, utterance, vocalization

usage: an utterance expressing pain or disapproval

Verb

1. groan, moan, sough, utter, emit, let out, let loose

usage: indicate pain, discomfort, or displeasure; "The students groaned when the professor got out the exam booklets"; "The ancient door soughed when opened"