What does "pantywaist" mean?

An undergarment composed, in part, of panties attached to a waistband.

What is a synonym for "pantywaist"?

Common synonyms include: milksop, baby, big baby, characterless, chicken, cream puff.

adj, noun, slang

adj, noun, slang ·Moderate ·College level

Noun

1
An undergarment composed, in part, of panties attached to a waistband. dated, informal
"Lace trimmed panty waists—50 cents."
2
a timid man or boy considered childish or unassertive wordnet
3
An ineffectual, weak, or timid person, especially a boy or young man; a sissy. derogatory, informal
"Don't be misled by the British tendency to be soft-spoken and polite. The English language didn't spread across the oceans and over the mountains and jungles and swamps because these people were pantywaists."

Adjective

1
Weak, timid, effeminate, ineffectual. especially, informal, not-comparable
"His rough, burly father was mortified by the lad's pantywaist behavior."

"His rough, burly father was mortified by the lad's pantywaist behavior."