deeply

As adverbs the difference between staunchly and deeply

is that staunchly is in a staunch manner while deeply is at depth, in a deep way.

As an adverb deeply

is at depth, in a deep way.

As an adjective undefined is

lacking a definition or value.

As adverbs the difference between deeply and significantly

is that deeply is at depth, in a deep way while significantly is in a significant manner or to a significant extent.

As adverbs the difference between infinitely and deeply

is that infinitely is in an infinite manner; as of anything growing without bounds; endlessly while deeply is at depth, in a deep way.

As adverbs the difference between remarkably and deeply

is that remarkably is (manner) in a remarkable manner while deeply is at depth, in a deep way.

As adverbs the difference between deeply and terribly

is that deeply is at depth, in a deep way while terribly is causing terror or awe.

As adverbs the difference between deeply and absolutely

is that deeply is at depth, in a deep way while absolutely is in an absolute or unconditional manner; utterly, positively, wholly .

As an interjection absolutely is

yes; certainly; expression indicating strong agreement .

As adverbs the difference between deeply and closely

is that deeply is at depth, in a deep way while closely is in a close manner.