undersensitive

Insufficiently sensitive.

Adjective

  1. Insufficiently sensitive.
    • They remain oversensitive, continually recoiling from the world, or undersensitive, banging into things, duck-walking through the day as if not entirely aware of their surroundings. - 2007 June 5, Benedict Carey, “The...

Origin

From under- + sensitive.

Forms

more undersensitive most undersensitive