1. (noun)comparison, compare, equivalence, comparability qualities that are comparable
"no comparison between the two books"; "beyond compare"
2. (verb)compare examine and note the similarities or differences of
"John compared his haircut to his friend's"; "We compared notes after we had both seen the movie"
3. (verb)compare be comparable
"This car does not compare with our line of Mercedes"
4. (verb)compare, liken, equate consider or describe as similar, equal, or analogous
"We can compare the Han dynasty to the Romans"; "You cannot equate success in financial matters with greed"