(idiomatic) A person whose preference or custom is to remain awake and active during the evening and early morning (night) hours, and who usually sleeps during part of the daytime.

(idiomatic) A person who wakes up, without difficulty, early each morning and is alert and active during the first part of the day.

plural of television personality

Someone who travels to a destination in order to arrange accommodation, meetings, security, etc. for one or more celebrities, politicians, business leaders, or other public figures who will arrive subsequently.

plural of personal trainer

(health sciences) The hygienic measures concerning a person's bodily condition, notably external cleanliness.

plural of natural person

plural of artificial person

(law) legal person

Any lubricant used during human sexual activity to reduce friction between body parts, or between body parts and other objects.