say it: der-uh-LIK-shuhn
dereliction is a noun meaning "a tendency to be negligent and uncaring". It carries 2 recorded senses.
a tendency to be negligent and uncaring
“he inherited his delinquency from his father”
“his derelictions were not really intended as crimes”
“his adolescent protest consisted of willful neglect of all his responsibilities”
willful negligence
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 dereliction 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.