SIMPLE is validvalid

not complex or complicated [adj SIMPLER, SIMPLEST] : SIMPLENESS [n], SIMPLY [adv] / something that is simple [n SIMPLES]

28,093 of 196,601 in NWL2023·also valid in CSW24

straightforward, also SEMPLE [adj SIMPLER, SIMPLEST, SIMPLY] / (archaic) to gather medicinal plants [v SIMPLED, SIMPLING, SIMPLES]