Anxiety caused by difficult problems. To persuade or force someone to do something.

situated on or near outside. situated beyond boundaries of place. Area around or near something, such as a building. Beyond the limits or edges of some place, thing.

act of defeating enemy or opponent in competition.

amount, level, or extent. Qualifications received after completing university.

as truth or facts.

having acquired much knowledge through study. To get knowledge or skills by study or experience.

Study of the physical world, based on facts.

group of atoms bonded together. Two or more atoms chemically combined.

cause to occur in particular way.

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

To force a change in a quantity, price, number.

constituting result found by dividing total amount. Total of numbers divided by the number of items. amount to or achieve as average rate or amount over period of time.

Force preventing motion between bodies in contact.

person who drives vehicle. People who move cattle from one place to another.

action or fact of owning, maintaining, or protecting something. To take possession of something to own, e.g. a pet.