9-Letter Words Containing: S,P,E,E,L,S,_

• with specific intentions; for the express purpose

• An analogue in any dimension of the triangle or tetrahedron: the convex hull of n+1 points in n-dimensional space.

• A simple word, one without affixes.

• A sixfold amount

• A valved jet engine where combustion occurs in pulses, as used in the V-1 flying bomb

• a small sharp-pointed tip resembling a spike on a stem or leaf

• Having no depth, or having a depth that is impossible to determine

• lacking power

• having no definite form or distinct shape

• lacking symmetry or attractive form