bizarre vs outlandish

bizarre and outlandish both are adjectives.

Word	Noun	Adjective	Verb	Adverb
bizarre	No	Yes	No	No
outlandish	No	Yes	No	No

As adjectives, bizarre and outlandish are synonyms defined as:

bizarre and outlandish: conspicuously or grossly unconventional or unusual

Other synonyms of bizarre include eccentric, flakey, flaky, freakish, freaky, gonzo, off-the-wall, outre.

bizarre (adjective)	outlandish (adjective)
conspicuously or grossly unconventional or unusual	conspicuously or grossly unconventional or unusual