(mathematics) Indicating an exponent.

(idiomatic) something which is overabundant at the moment and thus not in demand.

(idiomatic) To make an irreversible decision or to take an action with consequences.

(slang, vulgar) Not quite right mentally: perverted, stupid, or mentally ill.

To differentiate similar things.

(idiomatic) To reverse a situation, so that the advantage has shifted to the party which was previously disadvantaged.

(idiomatic) Free from work or direct supervision. In reference to slave labor, where workers are chained, or to the figurative chain of workers of an assembly line.

noisy, opinionated people are often ignorant.

A junction in which one road becomes two divergent roads / (by analogy) A point where a choice, one of two possibilities has to be taken.

(conjunctive) Opposite of what had earlier been expected or assumed.