Definitions for kind of
rather, kind of, kinda, sort of(adverb)
to some (great or small) extent
"it was rather cold"; "the party was rather nice"; "the knife is rather dull"; "I rather regret that I cannot attend"; "He's rather good at playing the cello"; "he is kind of shy"
Slightly; somewhat; sort of.
Origin: From a reanalysis "kind of" in a phrase such as "a kind of merry dance" from noun ("kind") and preposition ("of") from the prepositional phrase "of merry dance" to adverb modifying "merry".