uppish vs too big for one's breeches

uppish and too big for one's breeches both are adjectives.

Word	Noun	Adjective	Verb	Adverb
uppish	No	Yes	No	No
too big for one's breeches	No	Yes	No	No

As adjectives, uppish and too big for one's breeches are synonyms defined as:

uppish and too big for one's breeches: (used colloquially) overly conceited or arrogant

Other synonyms of uppish include bigheaded, persnickety, snooty, snot-nosed, snotty, stuck-up.

uppish (adjective)	too big for one's breeches (adjective)
(used colloquially) overly conceited or arrogant	(used colloquially) overly conceited or arrogant