couldn't be more different
Two entities that have virtually nothing in common.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
“My brother and I couldn't be more different.”
“Although they are identical twins, their personalities couldn't be more different.”
“The two political candidates offered visions for the country that couldn't be more different, leaving voters with a stark choice.”
Attested as an ironic construction to denote that two entities are entirely distinct, the phrase provides a superlative comparison to emphasize a total absence of similarity.
- 01
built different
Able to do things which others cannot; extremely talented or unusual.
- 02
couldn't care less
To not care at all; to have no interest or concern; to be apathetic.
- 03
couldn't carry a note in a bucket
Not musically talented, unable to sing.
- 04
couldn't happen to a nicer
Sarcastically asserts that those in question thoroughly deserve their fate.
- 05
couldn't organise a piss-up in a brewery
Is unable even to organise a project that requires no planning; is incompetent; used to describe someone as greatly incompetent.
- 06
couldn't stop a pig in a passage
To be bow-legged.
- 07
different breed of cat
Something entirely different; a whole other thing or matter.
- 08
different drummer
Someone or something that implies individuality, originality, or nonconformity.
Last updated August 10, 2026