Another word for natural
Rooted in nature
intrinsic, original, essential, true, fundamental, inborn, ingrained, inherent, instinctive, implanted, innate, inbred, subjective, inherited, congenital, genetic, incarnate, bred in the bone; see also native 1.
To be expected
normal, typical, characteristic, usual, customary, habitual, accustomed, involuntary, spontaneous, uncontrolled, uncontrollable, wonted, familiar, expected, routine, regular, common, universal, prevailing, prevalent, general, uniform, constant, consistent, probable, predictable, ordinary, logical, reasonable, anticipated, looked for, hoped for, counted on, relied on, generally occurring, in the natural course of events, matter-of-course; see also regular 3.
ingenuous, simple, artless, innocent, spontaneous, impulsive, childlike, unfeigned, unaffected, open, frank, candid, unsophisticated, homey, unpretentious, forthright, sincere, unstudied, straightforward, undesigning, being oneself, unsuspecting, credulous, trusting, plain, unassumed, direct, unpolished, rustic; see also naive.
Antonyms ornate* pretentious, affected.
Concerning the physical universe
Another word for naturaladjective
Produced by nature; not artificial or manmade:organic, unadulterated. Idiom: pure as the driven snow. See culture
In a primitive state; not domesticated or cultivated; produced by nature:native, rough, uncultivated, undomesticated, untamed, wild. See wild
Forming an essential element, as arising from the basic structure of an individual:built-in, congenital, connatural, constitutional, elemental, inborn, inbred, indigenous, indwelling, ingrained, inherent, innate, intrinsic, native. See be, native, start
Devoid of any hypocrisy or pretense:genuine, heartfelt, hearty, honest, real, sincere, true, unaffected, unfeigned, unmannered. See true
Free from guile, cunning, or deceit:artless, guileless, ingenuous, innocent, naive, simple, unaffected, unsophisticated, unstudied, unworldly. See honest
Unconstrained by rigid standards or ceremony:casual, easy, easygoing, informal, relaxed, spontaneous, unceremonious, unrestrained. (Informal) laid-back. See plain, tighten
Of a plain and unsophisticated nature:artless, homely, homespun, rustic, unadorned, unpolished. See plain
Accurately representing what is depicted or described:lifelike, naturalistic, realistic, true, true-life, truthful. See real
Born to parents who are not married to each other:baseborn, bastard, illegitimate, misbegotten, spurious, unlawful. See kin, law