Englishfor English speakers
unsuspected
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adjective
not suspected or believed likely
remained unsuspected as the head of the spy ring
he was able to get into the building unspotted and unsuspected
unsuspected difficulties arose
unsuspected turnings in the road
error
Noun
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An error is something which is accidentally not correct.
The bank made an error and gave me too much money.
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An error can refer to a computer error.
I keep getting errors on my computer program.