Used after certain adverbs to emphasise that a quality is notable, unexpected, etc.
Fully; quite; used after adjectives to express slight augmentation of the positive degree, and sometimes equivalent to very.
Sufficiently.
Stop! Don't do that any more!
An instance of being sufficient, or of doing something sufficiently.
Sufficient; all that is required, needed, or appropriate.
A sufficient or adequate number, amount, etc.