overhasty vs hasty

overhasty and hasty both are adjectives.

Word	Noun	Adjective	Verb	Adverb
overhasty	No	Yes	No	No
hasty	No	Yes	No	No

As adjectives, overhasty and hasty are synonyms defined as:

overhasty and hasty: done with very great haste and without due deliberation

Other synonyms of overhasty include precipitant, precipitate, precipitous.

overhasty (adjective)	hasty (adjective)
done with very great haste and without due deliberation	excessively quick
	done with very great haste and without due deliberation