← Back to impair
Full Level B1 →
impair Etymology Atlas
make worse or less effective, To weaken; to affect negatively; to have a diminishing effect on. Pro
Word
Root
Affix
Tap any word to open its Atlas. Pinch to zoom, drag to pan.
impair is a Level B1 word — Pro only
Pro unlocks the Etymology Atlas for levels A2–C2 — plus FSRS-5 spaced repetition, mastery tracking, and the activity dashboard.