adj. basic and important to something.

adj. not strict or severe; loose or relaxed.

adj. something that is absurd or ridiculous.

n. the end of something or a conclusion.

n. the process of wearing away metal or stone due to chemicals.

v. to create or plan something with skill.

v. to light up or make clear.

n. a person who helps others by giving money or time.

n. careful and persistent effort in doing something.