invigilancy
التعريفات والمعاني
== English ==
=== Noun ===
invigilancy
Lack of vigilance; neglect of watching.
==== Synonyms ====
invigilance
=== References ===
William Dwight Whitney, Benjamin Eli Smith, editors (1895–1910), “invigilancy”, in The Century Dictionary and Cyclopedia: […], New York, N.Y.: The Century Co., →OCLC.