Open English Wordnet
Nouns
(n)solethe underside of footwear or a golf club (n)solethe underside of the foot (n)soleright-eyed flatfish; many are valued as food; most common in warm seas especially European Verbs
Adjectives
(s)exclusive, solenot divided or shared with others“they have exclusive use of the machine”,
“sole rights of publication” (s)lone, lonesome, only, sole, solitarybeing the only one; single and isolated from others“the lone doctor in the entire county”,
“a lonesome pine”,
“an only child”,
“the sole heir”,
“the sole example”,
“a solitary instance of cowardice”,
“a solitary speck in the sky”