I. adjective
1.
Synonyms: illegitimate 1, baseborn, bastard, fatherless, misbegotten, spurious, supposititious, unfathered
2.
Synonyms: innate 1, congenital, connate, connatural, inborn, indigenous, inherited, native, unacquired
Antonyms: abnormal, unnatural
3.
Synonyms: general 1, common, commonplace, matter-of-course, normal, prevalent, regular, typic, typical, usual
4.
Synonyms: wild 1, agrarian, agrestal, native, uncultivated, undomesticated
5.
free from pretension or calculation
he spoke in a perfectly natural manner
Synonyms: artless, guileless, inartificial, ingenuous, innocent, naive, simple, simplehearted, unaffected, unartful, unartificial, unschooled, unsophisticated, unstudied, untutored, unworldly; compare genuine 3
Related Word: impulsive, instinctive, spontaneous; easy, unlabored; constitutional, ingrained, inherent; folksy, homespun, unpretentious; ignorant, primitive, undesigning; unconstrained, unembarrassed; candid, frank, open, plain; sincere, unfeigned; provincial, rustic
Contrasted words: ceremonial, ceremonious, conventional, formal; ostentatious, pretentious, showy; assumed, contrived, counterfeited, feigned, pretended; artful, sophisticated, studied
Antonyms: affected; artificial, unnatural
II. noun
Synonyms: fool 4, ament, cretin, ||feeb, half-wit, idiot, imbecile, moron, simpleton, zany