n. a unit of soldiers or military troops.

n. material used to prevent heat loss or gain.

adj. causing trouble or difficulty.

n. an unfair feeling or dislike for someone based on their group or identity.

adj. able to be turned or changed back.

n. a person who occupies a space or place.

adj. not thinking too highly of oneself.

v. to make something denser or more concentrated.

v. past tense of strive meaning to work hard.