rustout
C2CEFR level
95/100Rarity: very rare
TechnicalRegister
Chronic disengagement and boredom caused by unchallenging work, as opposed to burnout.
The most experienced engineers were leaving not from burnout but from rustout, starved of anything demanding to do.
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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