Synonyms for Unblemished:

adj.

clean (adjective)
unsullied.
innocent (adjective)
pure-hearted, undefiled, untarnished, snowy, naive, chaste, unsophisticated, angelic, childlike, uncorrupted, innocent, innocuous, angelical, lily-white, spotless, untainted, guiltless, blameless, white, virginal, unspotted.
not flawed (adjective)
spotless, unstained, chaste, faultless, flawless, undamaged, unmarked, untarnished, stainless, sound, decent, intact, unspotted, unsullied, unimpaired, pure, clean, uninjured, immaculate, undefiled, unhurt, whole.
not guilty (adjective)
clear.
perfect (adjective)
unalloyed, unmarked, flawless.
pure (adjective)
indivisible, clean, immaculate, blameless, austere, angelic, unalloyed, formative, foundational, stainless, decent, pure, plain, spotless, bare, stark, elementary, unadulterated, basic, atomic, prime, essential, monolithic, basal, primal, innocent, undefiled, sinless, undiluted, clear, irreducible, purebred, primary, untarnished, fundamental, untainted, nascent, uncluttered, Simon-pure, guiltless, simple, unsullied, unadorned, aboriginal, virtuous, elemental, white, honorable, chaste, faultless.
unhurt (adjective)
unhurt.

n.

proper, high-minded, moral, ethical, just. as new, well-preserved. flawless, unmarked, beautiful. unbroken, unimpaired, undamaged, sound, unharmed, uninjured, whole, intact, good, unhurt, thrive. lily-white, uncorrupted, right, angelical. unblemished (noun)
clean, untainted, unsullied, unstained, clear, untarnished, stainless.

Other synonyms:

unmarked, angelical. unbroken, unimpaired, uninjured, lily-white, undamaged, flawless. unharmed, intact. whole. good. uninjured
unhurt.
Other relevant words:
proper, angelical, intact, unmarked, right, good, unimpaired, flawless, unbroken, beautiful, unharmed, thrive, uncorrupted, lily-white, uninjured, well-preserved, undamaged, whole, ethical, unstained, sound, moral, just, unhurt, high-minded.

Usage examples for unblemished

  1. And his 'record, ' as the Americans say, in that parish in the southeast of London, was unblemished and even noble. – The Beautiful Wretch; The Pupil of Aurelius; and The Four Macnicols by William Black
  2. The thing would have been mismanaged anywhere else; but now I have not only an unblemished character, but I am like gold tried in the furnace." – Watersprings by Arthur Christopher Benson
  3. Unblemished let me live, or die unknown; O, grant an honest fame, or grant me none. – Poems with Power to Strengthen the Soul by Various