prone to
B1CEFR level
15/100Rarity: common
NeutralRegister
Likely to suffer from or do something, usually something undesirable.
New employees are prone to underestimating how long the training takes.
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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