keen Dogs have a very keen sense of smell. kind The kind woman donated half of her savings to the library fund.
khaki, kicks
knack, knock, kinks
ashesotherethic
nek minnit
kafir its a word
Kangaroo is not an adjective. It is a noun. Some adjectives that begin with the letter K are: khaki kind klutzy knowledgeable For more adjectives that begin with the letter K, see related question below.
One describing word (or adjective) is the word kinky.
The car that beginning with a letter K I think It's "KIA".kiakia
kangaroos
Kilmarnock
Kenya
Kerplunk