different between chumpy vs chummy

English

Etymology

chump +? -y

Pronunciation

• (Received Pronunciation, US) enPR: ch?m?pi, IPA^(key): /?t??mpi/

Adjective

chumpy (comparative chumpier, superlative chumpiest)

1. Short and fat, particularly in comparison with something of more favourable dimensions.
2. (slang, of a person) Blockheaded; dim-witted.
3. (slang, mildly insulting) Like a chump; annoying.

Synonyms

• (short and fat): dumpy, dubby

References

• “chumpy, a.” listed in the Oxford English Dictionary [2nd ed., 1989]
  ??Defined in the first sense (“short and fat”) only.
• 1873, John Camden Hotten, The Slang Dictionary

English

Etymology

From chum +? -y.

Pronunciation

• IPA^(key): /?t??m?/

Adjective

chummy (comparative chummier or more chummy, superlative chummiest or most chummy)

1. (informal) Friendly; on, or trying to be on, intimate terms.

   Synonym: familiar

   Antonym: mannered

Noun

chummy (plural chummies)

1. Synonym of chum (“friend, pal”)
   • 1991, Stephen King, Needful Things

     Sonny's knotted, distrustful face relaxed all at once. "You're goddamned right about that, chummy!" he exclaimed.

2. (obsolete) A boy who works for a chimney sweep.
3. (law enforcement slang) Nickname for a person, especially a suspect or criminal.
   • 2002, Roy C. Lilley, Paul Lambden, The Tool Kit for Dental Risk Management (page 21)

     What happens when the Old Bill turns up and want to look at 'chummies^[sic] dental records, guv, 'cos 'e's bitten a bloke's ear off in the pub'?