subterfuge
B2CEFR level
50/100Rarity: uncommon
FormalRegister
A deceptive device or stratagem used to conceal or evade.
They gained entry to the archive by subterfuge, posing as inspectors.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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