imminent vs at hand

imminent and at hand both are adjectives.

Word	Noun	Adjective	Verb	Adverb
imminent	No	Yes	No	No
at hand	No	Yes	No	No

As adjectives, imminent and at hand are synonyms defined as:

Other synonyms of imminent include close at hand, impendent, impending.

imminent (adjective)	at hand (adjective)
close in time; about to occur	close in time; about to occur
	close in space; within reach