Definition of "remiss"

remiss

/ɹəˈmɪs/

adjective
not comparable
1. At fault; failing to fulfill responsibility, duty, or obligations.
2. Not energetic or exact in duty or business; careless; tardy; slack; hence, lacking earnestness or activity; languid; slow.
  Quotations
  Thou never waſt remiſs, I bear thee witneſs:
  1671, John Milton, “Samson Agonistes, […].”, in Paradise Regain’d. A Poem. In IV Books. To which is Added, Samson Agonistes, London: […] J. M[acock] for John Starkey […], page 21, line 240
  Its motion becomes more languid and remiss.
  1695, John Woodward, “(please specify the page)”, in An Essay toward a Natural History of the Earth: And Terrestrial Bodies, Especially Minerals: […], London: […] Ric[hard] Wilkin […]