Synonyms for yammer

Verb

1. howl, wrawl, yammer, yowl, utter, emit, let out, let loose

usage: cry loudly, as of animals; "The coyotes were howling in the desert"

2. whine, grizzle, yammer, yawp, complain, kick, plain, sound off, quetch, kvetch

usage: complain whiningly