disgusting - revolting
same
quiet - peaceful
Different. Quiet = lack of noise, not saying anything; Peaceful = that which inspires peace
impudent - cheeky
same
astute - witty
Different. Astute = an ability to notice and understand things clearly; witty = characterized by using words in a clever and funny way.
proud - humble
opposite
fascinating - boring
opposite
to coerce - to encourage
Different. Coerce = to persuade an unwilling person by force; encourage = to give support or hope.
priceless - worthless
opposite
flammable - inflammable
same
flabbergasted - dumbstruck
same
bright - dull
opposite
flawless - unblemished
Different. Flawless = without errors or flaws. "She speaks flawless Spanish." Unblemished = without marks. "This pear is unblemished."
novice - expert
opposite
upset - furious
Different. Upset= unhappy/disappointed; furious = very angry
avarice - greed
same
indolent - industrious
opposite
transparent - 'see-through'
same
serendipity - misfortune
Opposite. Serendipity =when things happen by chance in a happy or beneficial way; misfortune = bad luck.
staid - serene
Different. Staid = not exciting, serious; serene = peaceful/calm.
to vex - to annoy
same
enormous - huge
same
cowardly - courageous
opposite
gloomy - dark
same