Synonyms for Honest:

adj.

aboveboard (adjective)
square.
all (adjective)
fair, good, honorable.
artless (adjective)
downright, broad, unaffected, unpretentious, overt, unadorned, open, plain, Plain-spoken, outgoing, genuine, uncalculating, candid, direct, undeceiving, blunt, natural, straightforward, callow, naive, trusting, unrestrained, unsophisticated, sincere, artless, frank, undeceptive, ingenuous, undisguised, undeceitful, Unbeguiling, Unartful, un-artificial.
plainspoken (adjective)
plainspoken, Plain-spoken, man-to-man.
real (adjective)
solid, substantial, veritable, factual, actual, genuine, concrete, true, authentic, tangible, real, sincere.
reliable (adjective)
trustworthy.
reputable (adjective)
honorable.
respectable (adjective)
fair, good, unimpeachable, angelical, moral, law-abiding, blameless, noble, irreproachable, righteous, respectable, saintly, worthy, true, estimable, untarnished, principled, creditable, right-minded, pure, upstanding, forthright, virtuous, honorable.
simple (adjective)
artless, un-artificial.
succinct (adjective)
informal, clear, intelligible, simple, candid, outspoken, blunt, prosaic, folksy, unpoetical, direct, uncluttered, Plain-spoken, unadorned, unpretentious, stark, ordinary, frank, straightforward, bald, casual.
true (adjective)
certain, factual, absolute, veracious, definite, right, authentic, true, gospel, proven, axiomatic.
truthful (adjective)
candid, intrinsic, unquestionable, verifiable, deceptive, irrefutable, exact, frank, unvarnished, literal, legitimate, ethical, precise, factual, truthful, false, straightforward, honorable, realistic, trustworthy, kosher, sincere, earnest.
truthful, candid (adjective)
fair, frank, true, authentic, law-abiding, ingenuous, direct, open, honorable, straight, reliable, straightforward, veracious, virtuous, ethical, trustworthy, plain, equitable, sincere, real, undisguised, forthright, unfeigned, genuine.
veracious (adjective)
correct, factual, veracious, undeceptive, true, genuine, authentic, accurate, ingenuous.
virtuous (adjective)
virtuous.

n.

antisocial, collaborative, ceremonial, cooperative, collegiate, assistant, clerical, adjunct, associate. fine, incorruptible, straight-shooting. plainspoken, straight-from-the-shoulder, straight-out, man-to-man, show. hearty, heartfelt, unfeigned, unmannered. fair (noun)
equitable.
frank (noun)
see.
honest (noun)
downright, guileless, open, reliable, square, true, artless, truthful, dependable, honorable, straight, veracious, unpretentious.

Other synonyms:

unmannered, straight-out, straight-from-the-shoulder, plainspoken, man-to-man, straight-shooting. hearty, deceptive, incorruptible, unfeigned. exact. precise. fine. sincere
heartfelt.
Other relevant words:
collegiate, reliable, associate, plainspoken, fine, exact, assistant, man-to-man, cooperative, deceptive, irrefutable, legitimate, false, clerical, adjunct, guileless, literal, ceremonial, equitable, see, collaborative, unmannered, antisocial, hearty, precise, unfeigned, show, unvarnished, kosher, realistic, incorruptible, square, straight-shooting, dependable, straight, verifiable, unquestionable, heartfelt, intrinsic, straight-from-the-shoulder, straight-out.

Usage examples for honest

  1. Is that a hand that ever did a day's honest work?" – A Set of Rogues by Frank Barrett
  2. The message is an honest paper, but says not much. – Diary from March 4, 1861, to November 12, 1862 by Adam Gurowski
  3. Ay, there's the Way, my honest Friend, to live. – The Conspiracy of Pontiac and the Indian War after the Conquest of Canada by Francis Parkman