Re‐miss″ (r?–m?s″), a. [L. remissus, p. p. of remittere to send back, relax. See Remit.] Not energetic or exact in duty or business; not careful or prompt in fulfilling engagements; negligent; careless; tardy; behindhand; lagging; slack; hence, lacking earnestness or activity; languid; slow.
Thou never wast remiss, I bear thee witness. Milton.
These nervous, bold; those languid and remiss. Roscommon.
Its motion becomes more languid and remiss. Woodward.
Syn. — Slack; dilatory; slothful; negligent; careless; neglectful; inattentive; heedles; thoughtless.