almost vs virtually

almost and virtually both are adverbs.

Word	Noun	Adjective	Verb	Adverb
almost	No	No	No	Yes
virtually	No	No	No	Yes

As adverbs, almost and virtually are synonyms defined as:

almost and virtually: (of actions or states) slightly short of or not quite accomplished; all but

Other synonyms of almost include about, most, near, nearly, nigh, well-nigh.

almost (adverb)	virtually (adverb)
(of actions or states) slightly short of or not quite accomplished; all but	in essence or effect but not in fact
	(of actions or states) slightly short of or not quite accomplished; all but