Definition: The act of pretending to be someone else in order to deceive others.

Example: His imposture was revealed when someone recognized him from a previous encounter.

Definition: To give someone the authority or power to do something.

Example: The new policy will impower employees to make decisions on their own.

Definition: To call down a curse or invoke misfortune upon someone or something.

Example: In a moment of anger, he began to imprecate his enemies.

Definition: A spoken curse or a wish for misfortune to happen to someone.

Example: In the old tale, the witch cast an imprecation on the village, bringing bad luck to its inhabitants.

Definition: Relating to a curse or expressing a wish for evil to happen to someone.

Example: The imprecatory psalms in the Bible call for divine punishment on the enemies of the faithful.

Definition: In a way that cannot be defeated or overcome; impossible to attack or capture.

Example: The fortress was built to withstand any assault, standing impregnably against enemy forces.

Definition: The state or quality of being unlikely to happen or occur.

Example: The improbability of winning the lottery makes it a rare event.

Definition: Not likely to happen or be true.

Example: It seems improbable that they will win the game after losing so many matches.

Definition: In a way that is unlikely to happen or be true.

Example: She improbably won the lottery twice in a row.

Definition: The quality of being inappropriate or not suitable in behavior or actions.

Example: His improperness at the formal event made everyone uncomfortable.