← Back to formidable
Full Level B2 →
formidable Etymology Atlas
inspiring fear, extremely impressive in strength or excellence Pro
Word
Root
Affix
Tap any word to open its Atlas. Pinch to zoom, drag to pan.
formidable 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.