say it: ree-MIS
remiss is an adjective meaning "failing in what duty requires". It carries one recorded sense.
failing in what duty requires
“derelict (or delinquent) in his duty”
“neglectful of his duties”
“remiss of you not to pay your bills”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for remiss come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.