Obsolete form of one another's.

Involving, done, or operated by only one person.

Achieved by the operation of one's personal strengths and merits.

For the last time.

(idiomatic, slang, euphemistic) Menstruating.

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

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

(idiomatic) At one's disposition; easily controlled by someone due to their power, affluence, charm, etc.

Done by (someone).

(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.