\Co`ex*ist\, v. i. [imp. & p. p. {Coexisted}; p. pr. &
vb. n. {Coexisting}.]
To exist at the same time; -- sometimes followed by with.

      Of substances no one has any clear idea, farther than
      of certain simple ideas coexisting together. --Locke.

      So much purity and integrity . . . coexisting with so
      much decay and so many infirmities.      --Warburton.