dereliction
C1CEFR level
65/100Rarity: rare
TechnicalRegister
Law noun
A shameful failure to carry out a duty one is bound to perform.
Leaving the scaffolding unsecured overnight was a plain dereliction of the contractor's duty of care.
Business noun
The state of a property being abandoned and left in a ruinous condition.
Years of dereliction had left the mill roofless, though its riverside plot remained highly developable.
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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