make·up

/ˈmeıkˌʌp/ noun, pl -ups

1 [singular] : the way in which something is put together or arranged

— often + of

the makeup of the Earth's atmosphere

the ethnic makeup of the neighborhood

the makeup [=layout] of a printed page

2 [singular] : the physical, mental, and moral character of a person

His daring attitude toward risks is a major part of his makeup.

her psychological makeup

3 [noncount]

3 a : substances (such as lipstick or powder) used to make someone's face look more attractive

She put on some makeup before the party.

She applied her makeup lightly/heavily.

wearing heavy/thick makeup

She's too young to wear makeup.

a makeup artist [=a person whose job is to put makeup on actors or models]

3 b : materials (such as wigs or cosmetics) that are used to change the appearance of an actor

put on makeup for a play

I didn't recognize him when he was in his theatrical/stage makeup.

4 [count] US : a special test for a student who has missed or failed a previous test

He'll have to pass the makeup to graduate.

— often used before another noun

a makeup exam/test/quiz

see also make up at ↑make, 1