← Back to vigorous
Full Level B2 →
vigorous Etymology Atlas
characterized by forceful and energetic action or activity, strong and active physically or mentally Pro
Word
Root
Affix
Tap any word to open its Atlas. Pinch to zoom, drag to pan.
vigorous 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.