(astronomy, informal) The star Fomalhaut.

(chemistry) A pair of electrons in the valence shell of an atom that does not participate in bonding.

An area into which entry by a single individual is prohibited; commonly an area with accessibility to a nuclear weapon.

Alternative spelling of no-lone zone

A wolf that is not part of a pack. / (figuratively) A person who avoids the company of others; a loner; an independent or solitary person.

A hero of westerns who wore a mask. / A solitary, sometimes mysterious or heroic, person.

(idiomatic) An individual person who acts on his or her own initiative, without partners, especially one who has sole responsibility for doing something questionable, confidential, or iniquitous.

plural of no-lone zone

One who acts alone. / A terrorist who acts on their own, without being part of a larger organized group or cell.

plural of lone wolf