Fall behind and Invalidate

Fall behind verb - Hang (back) or fall (behind) in movement, progress, development, etc..

Invalidate and fall behind are semantically related. In some cases you can use "Invalidate" instead a verb "Fall behind".

Invalidate verb - To put an end to by formal action.

Fall behind and invalidate are semantically related. Sometimes you can use "Fall behind" instead a verb "Invalidate".

Nearby Words: invalid, invalidity, invalided, invalidating, invalidation