The ordinal form of the number hundred one.

The person or thing in the hundred-first position. / One of a hundred one equal parts of a whole.

The ordinal form of the number twenty-one.

The person or thing in the twenty-first position. / One of twenty-one equal parts of a whole, usually written ¹⁄₂₁. / (informal) A party to celebrate a twenty-first birthday.

The ordinal form of the number seventy-one, describing a person or thing in position number 71 of a sequence.

One of seventy-one equal parts of a whole.

(historical, politics) Those countries aligned with the West during the Cold War, particularly in contrast to those aligned with the East (Second World).

Synonym of first-degree murder

(law, chiefly US, Canada) The criminal offence of murder in a form considered by law to be the most serious; the precise distinction may vary by jurisdiction but typically involves premeditation, or the choice of victim or other circumstances being regarded as especially blameworthy.

(film, television, video games) Visual presentation through the protagonist or principal character's own eyes.