YAMMER
whine, grizzle, yammer, yawp
(verb) complain whiningly
howl, wrawl, yammer, yowl
(verb) cry loudly, as of animals; “The coyotes were howling in the desert”
Source: WordNet® 3.1
Etymology
Verb
yammer (third-person singular simple present yammers, present participle yammering, simple past and past participle yammered)
(intransitive) To complain peevishly.
(intransitive) To talk loudly and persistently.
(transitive) To repeat on and on, usually loudly or in complaint.
(intransitive, rare) To make an outcry; to clamor.
Synonyms
• (complain): whine, grumble
• (repeat): prattle, babble, yak
• See also complain
Noun
yammer (uncountable)
The act or noise of yammering.
A loud noise.
One who yammers.
Source: Wiktionary