attempt to achieve something. Attempt or effort to do something. To attempt or make effort to do something.

person who carries out academic or scientific research. People who work to find new facts and ideas.

Force, weight when pressing against a thing. attempt to persuade or coerce.

(Police) To catch and keep criminals.

act of showing that something exists. Explanations of how some things work (e.g. product).

person who publicly demonstrates opposition to something.

Careful study to better understand something.

Strong efforts made to do something difficult. To try very hard to do something difficult.

undefined. make previously unknown or secret information known to others.

To attract and hold e.g. interest, attention.

make something needed or wanted available to someone.

science or practice of planting, managing, and caring for forests.

rise in size, amount, or degree of something. To make or become larger in size or amount.

person who campaigns to bring about political or social change. People who try to change a government, society.

used to emphasize basic, fundamental, or intrinsic nature of person or thing.