D defs.my
Entry 1 sense Webster, 1913

Coexist

/kōˌ-əg-zĭst'/ · Co·ex·ist · IPA /ˌkoʊ.ɪɡˈzɪst/
01 v. i. To exist at the same time; -- sometimes followed by with.
imp. & p. p. Coexisted; p. pr. & vb. n. Coexisting
  1. 1.
    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.