directly vs immediately

directly and immediately both are adverbs.

Word	Noun	Adjective	Verb	Adverb
directly	No	No	No	Yes
immediately	No	No	No	Yes

As adverbs, directly and immediately are synonyms defined as:

directly and immediately: without delay or hesitation; with no time intervening

Other synonyms of directly include at once, forthwith, instantly, like a shot, now, right away, straight off, straightaway.

directly (adverb)	immediately (adverb)
without deviation	without delay or hesitation; with no time intervening
in a forthright manner; candidly or frankly	near or close by
without anyone or anything intervening	bearing an immediate relation
without delay or hesitation; with no time intervening