Adjectives starting with “k” describe various qualities. “Keen” conveys sharpness or eagerness, while “kind” denotes compassion and warmth. “Knowledgeable” signifies expertise and wisdom. “Kooky” evokes eccentricity or absurdity, often used humorously. “Kindly” expresses gentleness and politeness, fostering empathy. “Remarkable” highlights exceptional qualities or events, adding emphasis to their significance.