Definitions
1.adjectiveUncomplicated; taken by itself, with nothing added.
2.adjectiveWithout ornamentation; plain.
3.adjectiveFree from duplicity; guileless, innocent, straightforward.
4.adjectiveUndistinguished in social condition; of no special rank.
5.adjectiveTrivial; insignificant.
6.adjectiveFeeble-minded; foolish.
7.adjective(heading) Structurally uncomplicated.
8.adjectiveMere; not other than; being only.
9.nounOne who grows or gathers simples (medicinal herbs).