undersensitive
adjEtymology From under- + sensitive.
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 Disorder Is Sensory; the Diagnosis, Elusive”, in New York Times: