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Word formation: Negative prefixes
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visible
invisible
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honest
dishonest
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pleased
displeased
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responsible
irresponsible
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happy
unhappy
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fair
unfair
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Okay!
pleasant
unpleasant
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Okay!
patient
impatient
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Okay!
logical
illogical
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correct
incorrect
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important
unimportant
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Okay!
usual
unusual
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interesting
uninteresting
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Okay!
comfortable
uncomfortable
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Okay!
legal
illegal
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Okay!
polite
impolite
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Okay!
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