idiotic

adj

Etymology: Etymology tree English idiot Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English idiotic From idiot + -ic.

1. Pertaining to or resembling an idiot; characterised with behaviour resembling idiocy.
2. Having the quality of idiocy; very foolish

   “Everyone else shifted uncomfortably as this guy continued his derisive laughter and proclaimed my quest the most idiotic thing he'd heard in his life.”