Used in contrast to anyone, someone or everyone: not one person; nobody.

a ketone / any similar compound containing a carbonyl functional group

(Singapore, Philippines, Malaysia, transitive, colloquial); Third-person singular simple present indicative form of on

(uncountable) State of being one or undivided; unity. / (countable) The product of being one or undivided.

Not any person or thing whatsoever.

(colloquial) A particularly special or compatible person or thing. / (colloquial) A particular person destined to save the universe or world; the chosen one.

The person or thing.

A specified object, thing or person (especially one nearby or known).

A specified object, thing or person (especially one further away/over there or known or mentioned later).

(collectible card games) A card included in a deck only once.