idiotic

Something that's idiotic is very, very stupid. It would be idiotic to turn down your lottery winnings because you're too lazy to go claim them.

An idiotic song is boring, repetitive and has ridiculous lyrics, and an idiotic TV show is badly written and terribly acted. Your dad might describe his dog as idiotic if she manages to find a skunk every single time she goes outdoors. The adjective idiotic is informal, and it comes from the Latin idioticus, "uneducated or ignorant," with the Greek root idiotikos, "unprofessional or unskilled."

Definitions of idiotic
1

adj having a mental age of three to seven years

Synonyms:
imbecile, imbecilic
retarded
relatively slow in mental or emotional or physical development

adj insanely irresponsible

“an idiotic idea”
Synonyms:
crackbrained
insane
afflicted with or characteristic of mental derangement

adj incongruous;inviting ridicule

Synonyms:
absurd, cockeyed, derisory, laughable, ludicrous, nonsensical, preposterous, ridiculous
foolish
devoid of good sense or judgment

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.