← Back to improbable
Full Level B2 →
improbable Etymology Atlas
Not likely to happen or to be true., So strange or unlikely that it is hard to believe. Pro
Word
Root
Affix
Tap any word to open its Atlas. Pinch to zoom, drag to pan.
improbable is a Level B2 word — Pro only
Pro unlocks the Etymology Atlas for levels A2–C2 — plus FSRS-5 spaced repetition, mastery tracking, and the activity dashboard.