unresponsive

adjectives

not responding to some influence or stimulus
is derived from
antonym
is similar to
temporarily unresponsive or not fully responsive to nervous or sexual stimuli
"the refractory period of a muscle fiber"
see also
not responsive to physical stimuli
"insensitive to radiation"
see also
deficient in human sensibility; not mentally or morally sensitive
"insensitive to the needs of the patients"
aloof or indifferent
"was unresponsive to her passionate advances"
is derived from
is similar to
psychologically cool and unenthusiastic; unfriendly or unresponsive or showing dislike
"relations were cool and polite"; "a cool reception"; "cool to the idea of higher taxes"
not susceptible to suggestion or influence
is similar to
not susceptible to