Open English Wordnet
Nouns
(n)manifolda pipe that has several lateral outlets to or from other pipes (n)manifold paper, manifolda lightweight paper used with carbon paper to make multiple copies“an original and two manifolds” (n)manifolda set of points such as those of a closed surface or an analogue in three or more dimensions Verbs
(v)multiply, manifoldcombine or increase by multiplication“He managed to multiply his profits” Adjectives
(s)manifold, multiplexmany and varied; having many features or forms“manifold reasons”,
“our manifold failings”,
“manifold intelligence”,
“the multiplex opportunities in high technology”