What does "bellyaching" mean?

Whining and complaining, often contrived to evoke pity or shirk responsibility.

What is a synonym for "bellyaching"?

Common synonyms include: beef, beefing, bellyache, bitch, carp, carping.

noun, verb

noun, verb ·4 syllables ·Moderate ·College level

Noun

1
Whining and complaining, often contrived to evoke pity or shirk responsibility. countable, uncountable
"Quit your bellyaching and get back to work!"

Verb

1
present participle and gerund of bellyache form-of, gerund, participle, present

"Quit your bellyaching. You goin' to do it, or not!?"