Added 10 October 2026 deceptiveness noun Categories: Describing WordsObscure Words noun ! Definition from WordNet 3.1, Princeton University. More about deceptiveness at Wordnik → Where our words come from → The quality of being deceptive. Related Words: obliquitydeceptivitydeceitfulnessdeceivablenessdeceivabilitydeceptibilitydelusivenessdisingenuousnessdeviousnessfraudfulnessillusivenessguilefulness Back to today's word