existing at the same time as something else

That which coexists with another.

plural of coexistent

(intransitive, of two or more things, people, concepts, etc.) To exist contemporaneously or in the same area.

The state of two or more things existing together, usually in a temporal or spatial sense, with or without mutual interaction.

simple past tense and past participle of coexist

present participle of coexist

Third-person singular simple present indicative form of coexist

plural of coexistence

One who coexists.