Synonyms for Unpretentious:

adj.

artless (adjective)
unadorned, direct, honest.
folksy (adjective)
homely.
homely (adjective)
simple.
humble (adjective)
humble, modest, unobtrusive, meek, plain, abashed, selfless, homely, apologetic, sheepish, self-effacing, submissive, contrite, mild, unassuming, plebeian.
low (adjective)
meek.
modest (adjective)
self-effacing, unostentatious.
succinct (adjective)
direct, Plain-spoken, clear, bald, frank, outspoken, uncluttered, candid, stark, intelligible, folksy, simple, prosaic, blunt, honest, informal, casual, straightforward, unpoetical, ordinary, unadorned.
unpretentious (adjective)
modest, prosaic, folksy, plain, unobtrusive, humble, straightforward, unostentatious, unassuming.

n.

self-deprecating, undemanding, though/if I say it myself, low-profile. unpretentious (noun)
quiet, honest, unostentatious, understated, modest, unpompous, restrained.

Other synonyms:

self-deprecating. undemanding, low-profile. Other relevant words:
low-profile, unpompous, quiet, unostentatious, undemanding, understated, restrained, self-deprecating.

Usage examples for unpretentious

  1. Many authors of elaborate prose have been perfectly simple and unpretentious in private life. – A Short History of French Literature by George Saintsbury
  2. For Mr. Davitt was a good man, zealous in his work, unpretentious and kindly. – The Crisis, Complete by Winston Churchill Last Updated: March 6, 2009
  3. The coffee house was large, but unpretentious the locality being none of the best. – The Sweep Winner by Nat Gould