The definition of insuperable is an obstacle that cannot be overcome.
Excelling all others in some way.
Not equaled; unmatched; unrivaled; supreme
The definition of peerless is something that is unmatched or is so great that nothing can be compared.
Superior means higher or greater in value.
Surpassing others; preeminent or supreme.
Without parallel, equal, or match; unequaled.
Having no rival, equal, or competitor; matchless; peerless
Most satisfactory, suitable, or useful; most desirable:
Most favorable or desirable; optimum.
The definition of optimum is the best.
The definition of superlative is expressing the very highest degree, or the very best example of something.
Healthier or more fit than before:
Find another word for unsurpassed. In this page you can discover 25 synonyms, antonyms, idiomatic expressions, and related words for unsurpassed, like: unique, impeccable, insuperable, unexcelled, unequaled, matchless, peerless, unequalled, uncompromised, superior and transcendent.