essentially

used to emphasize that two or more things are identical in their most important aspects.

meaning correct in its fundamental aspects, though minor details may be inexact.

describing a state or situation that has not altered in any significant way.

indicating that the core of a statement is accurate, even if not every detail is.

meaning that something is finished or whole in all its most important parts.

to indicate the fundamental components or nature of something.

to remove or get rid of something almost completely.

to fail to consider or pay attention to something in a fundamental way.