precipitous vs overhasty

precipitous and overhasty both are adjectives.

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

As adjectives, precipitous and overhasty are synonyms defined as:

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

Other synonyms of precipitous include hasty, precipitant, precipitate.

precipitous (adjective)	overhasty (adjective)
done with very great haste and without due deliberation	done with very great haste and without due deliberation
dangerously steep