single; not complex; not infolded or entangled; uncombined; not compounded; not blended with something else; not complicated; as, a simple substance; a simple idea; a simple sound; a simple machine; a simple problem; simple tasks.-plain; unadorned; as, simple dress.-mere; not other than; being only.-not given to artifice, stratagem, or duplicity; undesigning; sincere; true.-artless in manner; unaffected; unconstrained; natural; inartificial;; straightforward.-direct; clear; intelligible; not abstruse or enigmatical; as, a simple statement; simple language.-weak in intellect; not wise or sagacious; of but moderate understanding or attainments; hence, foolish; silly.-not luxurious; without much variety; plain; as, a simple diet; a simple way of living.-humble; lowly; undistinguished.-without subdivisions; entire; as, a simple stem; a simple leaf.-not capable of being decomposed into anything more simple or ultimate by any means at present known; elementary; thus, atoms are regarded as simple bodies.  cf. ultimate, a.-homogenous.-consisting of a single individual or zooid; as, a simple ascidian; -- opposed to compound.-something not mixed or compounded.-a medicinal plant; -- so called because each vegetable was supposed to possess its particular virtue, and therefore to constitute a simple remedy.-a drawloom.-a part of the apparatus for raising the heddles of a drawloom.-a feast which is not a double or a semidouble.-to gather simples, or medicinal plants.