Lis·ton 
(lĭstən), Sonny 1932-1970.
(lĭstən), Sonny 1932-1970. American boxer who was the world heavyweight champion from 1962 until he was defeated by Muhammad Ali (then Cassius Clay) in 1964.
- implacable
- implacably
- implant
- implantable
- implantation
- implausibility
- implausible
- implausibly
- implead
- impleader
- implement
- implementation
- implementer
- implementor
- implicate
- implication
- implicative
- implicatively
- implicature
- implicit
- implicit differentiation
- implicit function
- implicitly
- implicitness
- implode