Exam: Cambridge English: B2 First (FCE)

Definition: Not able to be used or operated; not functional.

Example: The equipment was declared unserviceable after the accident.

Definition: Not pleasant or attractive to look at; something that is visually unappealing.

Example: The unsightly garbage in the park made it difficult to enjoy the beautiful day.

Definition: Not having the ability or skill to do something well; lacking proficiency or expertise.

Example: His unskillful attempts at painting made the artwork look messy.

Definition: In a way that shows a lack of skill or ability.

Example: He unskillfully tried to fix the broken machine, making it worse instead.

Definition: Not inclined to engage in social activities or interactions with others; often prefers to be alone.

Example: He was often seen as unsociable because he preferred reading at home rather than going to parties.

Definition: Not having a lot of experience or knowledge about the world; simple and straightforward.

Example: Her unsophisticated approach to the problem surprised everyone.

Definition: Not clearly defined or stated; lacking specific details or information.

Example: The report had several unspecified details that needed clarification.

Definition: Not steady or firm; likely to change or fall apart easily.

Example: The unstable structure of the building made it dangerous to enter.

Definition: Not clearly expressed or mentioned; something that is implied but not directly said.

Example: The rules of the game included some unstated assumptions that players needed to understand.

Definition: Not stable or firm; likely to change or fall; shaky.

Example: The unsteady table wobbled every time someone leaned on it.

Definition: To make something not steady or stable, causing it to shake or wobble.

Example: The strong wind unsteady the tall tree, making it sway back and forth.