[keeper] See: [FINDERS KEEPERS].

[keeping] See: [IN KEEPING], [OUT OF KEEPING].

[keeps] See: [FOR KEEPS].

[kettle] See: [KETTLE OF FISH], [POT CALLS THE KETTLE BLACK].

[kettle of fish] {v. phr.}, {informal} Something to be considered; how […]

[kewl, kool] Alternate forms of "cool".

[key] See: [LOW KEY], [OFF-KEY].

[keyed up] {adj.}, {informal} Excited; nervous; anxious to do something. * […]

[kick about] See: [KICK AROUND] (3).

[kick against the pricks] {v. phr.}, {literary} To fight against rules […]