Антонимом hyper sensitive

thick-skinned good-humored good-humoured affable calm imperious genial insensitive unconcerned easy-going pleasant cheerful light-hearted indifferent sweet strong collected firm easygoing sure easy even-tempered laid-back stable unflappable safe certain

thick-skinned insensitive unfeeling callous hard heartless tough obdurate stolid uncaring hardened

calm centred centered composed cool levelheaded peaceful relaxed steady unaffected unbothered unflappable assured at ease chilled civil collected cool as a cucumber coolheaded cool-headed easy-going equable equanimous impassive imperturbable level level-headed mild-mannered patient poised sedate self-assured self-composed self-controlled self-possessed stolid stress-free together unagitated undisturbed unexcitable unfazed unflustered unperturbed unruffled unshakable unshaken untroubled unworried even-tempered agreeable mild moderate nonviolent easygoing happy unperturbable placid dependable tranquil laid-back tolerant pleased nerveless unmoved controlled easy stoical disimpassioned even-keeled phlegmatic insouciant nonchalant deliberate serene

painless numb callous insensitive numbed unaching benumbed dead senseless insensible unfeeling anaesthetized anesthetized nonreactive without pain

hypersensitivity hypersexual hypersexualisation hypersexuality hypersexualization hypersexually hypersalivations hypersalivation hyperrelativism hyperpotassemias hyperpotassemia hyperplasia