← Back to simultaneousness
Full Level C2+ →
simultaneousness Etymology Atlas
the state of happening or existing at the same time Pro
Word
Root
Affix
Tap any word to open its Atlas. Pinch to zoom, drag to pan.
simultaneousness is a Level C2+ word — Pro only
Pro unlocks the Etymology Atlas for levels A2–C2 — plus FSRS-5 spaced repetition, mastery tracking, and the activity dashboard.