Also known as antonyms, opposite words are critical to both written and oral grammar. How well to use them is of great essence in addition to knowing them. The quiz below will enlighten you more on the subject.
Bumptious
Tearful
Stolid
Lurid
Girlish
Free
Flimsy
Weak
Inexperienced
Empty
Vigorous
Silent
Healthful
Similar
Clever
Unholy
Calm
Impolite
Tolerable
Pallid
Disagreement
Goodness
Life
Growth
Redemption
Dull
Unattached
Selfish
Accelerated
Domestic
Mirrored
Anthropological
Humanitarian
Sharp
Soporific
Slow
Insulting
Soft
Stubborn
Impolite
Loquacious
Temporary
Witty
Unhappy
Detrimental
Concomitant
Perceptive
Intentional
Criminal
Energetic
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Here's an interesting quiz for you.