The word "unequalable" means unable to compare or match, but there are some antonyms that are used to describe things that are more or less equal. The first antonym for unequalable is "equal"; this refers to something that is the same or similar in quantity, value, or importance. Another antonym is "comparable," which is used to describe something that is similar in size, shape, or quality. "Matchable" is another opposite of unequalable that means something that can be matched or paired. "Equivalent" is yet another antonym that refers to something that is equal in value, meaning, or significance. Finally, "alike" can also be considered as an antonym for unequalable, which means two or more things that are similar in appearance or nature.