(geometry, algebraic topology) An analogue in a space of arbitrary dimensionality of the triangle or tetrahedron; the convex hull of n+1 linearly independent points in n-dimensional space; in other words, the triangle, tetrahedron etc., generalized to an arbitrary number of dimensions.

plural of simpleton

(derogatory) A simple-minded person lacking common sense.

comparative form of simple: more simple, less complicated or challenging.

(archaic) One who grows or gathers simples (medicinal herbs).

A single beam or pole without a cross bar for executions.

stupid. / unsophisticated; lacking subtlety.

superlative form of simple: most simple