1) Aloof 2) Cold 3) Dead 4) Impassive 5) Indifferent 6) Inert 7) Insensitive 8) Insusceptible 9) Lumpish 10) Numb 11) Passive 12) Uncaring 13) Unsusceptible 14) Unsympathetic 1) Aloof or indifferent 2) Insensitive 
[adj] - aloof or indifferent 2. [adj] - not susceptible to suggestion 3. [adj] - not responsive 4. [adj] - not responsive
adjective not susceptible to suggestion or influence
[SAT terms] not reacting to some influence or stimulus