(possessive) The possessive form of one another.

(idiomatic, slang, euphemistic) Menstruating.

(seismology, colloquial, usually with the) A hypothetical massive earthquake somewhere along the Pacific coast of North America, but especially one projected to cause catastrophic damage to a major city such as Vancouver, Seattle, San Francisco, or Los Angeles.

(idiomatic) (of a feeling, belief, etc.) Derived from instinct, intuition, or an ingrained inclination.

(heraldry, chiefly of a peacock) With its tail feathers spread.

(informal, idiomatic) To be able to do something; to have the capacity to achieve something.

For the last time.

Involving, done, or operated by only one person.

(US, African-American Vernacular, jargon) Overreacting or having a strong emotional reaction; worked up.

In exchange for one's effort; as a reward.