Synonyms of the word

unmatchable

• adj. Unable to be matched.
• adj. Uniquely good; not approached by anything else in quality or excellence.

incomparable

• adj. So much better than another as to be beyond comparison; matchless or unsurpassed.
• adj. (rare) Not able to be compared.

matchless

• adj. Having no match; without equal.
• adj. Having no mate.

nonpareil

• adj. Unequalled, unrivalled; unique.
• n. A person or thing that has no equal; a paragon.
• n. (US) A small pellet of colored sugar used as decoration on baked goods and candy.
• n. A small, flat chocolate drop covered with white pellets of sugar, similar to a comfit.
• n. A smaller grade of caper.
• n. (uncountable, dated, printing) The size of type between agate and minion, standardized as 6-point.

one

• num. (cardinal) The number represented by the Arabic numeral 1; the numerical value equal to that cardinal…
• num. (number theory) The first positive number in the set of natural numbers.
• num. (set theory) The cardinality of the smallest nonempty set.
• num. (mathematics) The ordinality of an element which has no predecessor, usually called first or number one.
• pron. (impersonal pronoun) One thing (among a group of others); one member of a group.
• pron. (impersonal pronoun, sometimes with "the") The first mentioned of two things or people, as opposed to…
• pron. (indefinite personal pronoun) Any person (applying to people in general).
• pron. (pronoun) Any person, entity or thing.
• n. (mathematics) The neutral element with respect to multiplication in a ring.
• n. The digit or figure 1.
• n. (US) A one-dollar bill.
• n. (cricket) One run scored by hitting the ball and running between the wickets; a single.
• n. A joke or amusing anecdote.
• n. (colloquial) A particularly special or compatible person or thing.
• n. (Internet slang, leetspeak, sarcastic) Used instead of ! to amplify an exclamation, parodying unskilled…
• adj. Of a period of time, being particular.
• adj. Being a single, unspecified thing; a; any.
• adj. Sole, only.
• adj. Whole, entire.
• adj. In agreement.
• adj. The same.
• adj. Being a preeminent example.
• adj. Being an unknown person with the specified name; see also "a certain".
• v. (obsolete, transitive) To cause to become one; to gather into a single whole; to unite.

peerless

• adj. Without peer or equal; unparalleled, nonpareil. Of the highest quality, best.

uncomparable

• adj. Not able to be compared; not comparable.
• adj. (grammar) That cannot take the three degrees of comparison; not comparable.

unmatched

• adj. (of a pair of things) not matched; odd.
• adj. (of a single thing) not matched with anything else.
• adj. peerless; unrivalled; beyond comparison.
• v. simple past tense and past participle of unmatch.

unrivaled

• adj. (American) beyond compare, far surpassing any other, unparalleled, without rival.

unrivalled

• adj. (British spelling) having no rival; better than any possible competitor.