■ adjective ( ~r , ~st )
1》 easily understood or done.
2》 plain and uncomplicated in form, nature, or design.
↘humble and unpretentious.
3》 composed of a single element; not compound.
↘ Botany (of a leaf or stem) not divided or branched.
↘(of a lens, microscope, etc.) consisting of a single lens or component.
4》 of very low intelligence.
5》 (in English grammar) denoting a tense formed without an auxiliary.
6》 (of interest) payable on the sum loaned only. Compare with compound 1 .
■ noun chiefly historical a medicinal herb, or a medicine made from one.
Derivatives
~ness noun
Origin
ME: from OFr., from L. simplus .