indefinitely

About 3.82 uses per million words.

Meaning

1. adverb In a manner that is not definite.

   an indefinitely determined fossil

2. adverb For a long time, with no defined end.
3. adverb Forever.

Similar words

infinitely boundlessly endlessly interminably continuously indeterminate indeterminately eternally forever permanently

Often followed by

in and to without postponed the large by as