off-the-wall vs freakish

off-the-wall and freakish both are adjectives.

Word	Noun	Adjective	Verb	Adverb
off-the-wall	No	Yes	No	No
freakish	No	Yes	No	No

As adjectives, off-the-wall and freakish are synonyms defined as:

off-the-wall and freakish: conspicuously or grossly unconventional or unusual

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

off-the-wall (adjective)	freakish (adjective)
conspicuously or grossly unconventional or unusual	characteristic of a freak
	conspicuously or grossly unconventional or unusual
	changeable