Inane
Part of speech: adjective
Definition: Lacking sense or meaning (often implying, "to the point of boredom or annoyance").
Mindless
Part of speech: adjective
Definition: Showing a lack of forethought or sense.Having no sensible meaning or purpose.Heedless.Overly repetitive and unchallenging.Lacking a mind.
Example sentence: Outside of the mindless sitcoms that the networks thrive on, people able to think generally consider most entertainment is escape in one form or another.