Casual/Formal一覧

Adjective

Normal	Formal
v good	excellent, superb
v bad	terrible
v beautiful	gorgeous, stunning
v old	ancient
v young	youthful
v rich	opulent, wealthy
v poor	impoverished, destitute
v clever	intelligent
v intelligent	brilliant
v friendly	amicable
v unfriendly	hostile
v interesting	fascinating, captivating
v bored/boring	tedious, dull
v important	crucial
v unimportant	trivial
v difficult	aduous
v easy	facile
v successful	prosperous
v healthy	robust
v unhealthy	sickly
v clean	immaculate, spotless
v dirty	filthy
v wet	drenched, soaked
v big	massive, enormous
v small	minuscule, petite
v angry	furious
v hungry	starving, famished
v tired	exthausted
v funny	hilarious
v happy	ecstatic
v sad	despondent, depressed, sorrowful
v serious	solemn, grave
v brave	valiant
v cowardly/shy	craven, timid
v fast/quick	rapid
v slow	sluggish
v bright	dazzling
v dark	murkey
v noisy	deafening
v quiet/silent	serene, hushed
v strong	sturdy
v weak	frail
v hot	scorching, sweltering
v cold	freezing
v young	juvenile
v ugly	hideous
v exciting	thrilling
v tasty	delicious
v gross	disgusting
v heavy	leaden
v high	soaring, lofty
v huge	colossal
v hurt	battered
v lazy	indolent
v long-term	enduring
v loose	slack
v loud	thunderous
v often	frequently
v old-fashioned	archaic
v open	transparent
v painful	excruciating
v pale	ashen
v perfect	flawless
v powerful	compelling
v rainy	pouring
v scared	petrified
v scary	chilling
v sharp	keen
v shiny	gleaming
v careful	cautious
v dry	arid
v short	brief
v risky/dangerous	perilous
v rude	insolent
v busy	swamped

Conjuctive, Adverb, Verb

Informal/Casual	Formal
So (And)	Therefore, Thus, Hence That's why
But	However
maybe	perhaps
say no	reject
choose	select
buy	purchase
give	provide
free	release
look for	seek, search