adjective
pernicious
exceedingly harmful
See pernicious in a sentence written about what you actually care about
Brevlex writes every example sentence around your interests, then schedules it with spaced repetition so it sticks. No generic textbook line — a sentence for you.
Verified against
- Open English WordNet 2024Authoritative
- 5000 GRE Words (recognized prep compilation)Recognized
- GRE 3000+ word list (recognized prep compilation)Recognized
- GRE Word List 4700 (recognized prep compilation)Recognized
- Manhattan Prep 1000 GRE WordsRecognized
- PowerScore GRE Repeat Offenders (699)Recognized
- Magoosh GRE 1000Recognized
- GregMat 960 GRE WordsRecognized
- MajorTests SAT 1000Recognized
Each source is a real, checkable word list that contains pernicious. We never claim an official exam-board list — none is published for the GRE, GMAT, or SAT.