unmatchable

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

Japanese Meaning

匹敵できない / 比類のない / 唯一無二の

Her taste in art was unmatchable, making it difficult for galleries to curate shows that appealed to her.

彼女の美術に対する好みは比類のないもので、ギャラリーが彼女の好みに合う展覧会を企画するのは難しかった。

Sense（1）

Unable to be matched.

Sense（2）

Uniquely good; not approached by anything else in quality or excellence.

Yes, the originals were fantastic, perhaps even unmatchable.

more unmatchable

（ comparative ）

most unmatchable

（ superlative ）