too big for one's breeches vs uppish

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

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

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

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

Other synonyms of too big for one's breeches include bigheaded, persnickety, snooty, snot-nosed, snotty, stuck-up.

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