steamed vs pissed off

steamed and pissed off both are adjectives.

Word	Noun	Adjective	Verb	Adverb
steamed	No	Yes	No	No
pissed off	No	Yes	No	No

As adjectives, steamed and pissed off are synonyms defined as:

Other synonyms of steamed include annoyed, irritated, miffed, nettled, peeved, pissed, riled, roiled, stung.

steamed (adjective)	pissed off (adjective)
cooked in steam	aroused to impatience or anger
aroused to impatience or anger