1. [verb] (transitive) To assess the similarities and differences between two or more things ['to compare X with Y']. Having made the comparison of X with Y, one might have found it similar to Y or different from Y.
2. [verb] (transitive) To declare two things to be similar in some respect ['to compare X to Y'].
3. [verb] (transitive) (grammar) To form the three degrees of comparison of (an adjective).
4. [verb] (intransitive) To be similar (often used in the negative).
5. [verb] (obsolete) To get; to obtain.
6. [noun] Comparison
7. [noun] Illustration by comparison; simile
8. [noun] Qualities that are comparable; 'no comparison between the two books'; 'beyond compare'.
9. [verb] 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'.
10. [verb] Be comparable; 'This car does not compare with our line of Mercedes'.
11. [verb] 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'.
12. [verb] To form the comparative or superlative form on an adjective or adverb.
