noun
Freq #40935
Meanings
-
1
noun
Willful neglect of one's duty.
The officer was dismissed for dereliction of duty.
Thesaurus
Word family
Forms
derelictions
Etymology
From Latin dērelictiō (“neglect, abandonment”), from dērelinquō (“to neglect, abandon”), from dē- + re- + linquō (“to leave”).