Antonyms of adj highly_sensitive

1 sense of highly sensitive

Sense 1
highly sensitive -- (readily affected by various agents; "a highly sensitive explosive is easily exploded by a shock"; "a sensitive colloid is readily coagulated")

INDIRECT (VIA sensitive) -> insensitive -- (not responsive to physical stimuli; "insensitive to radiation")

Similarity of adj highly_sensitive

1 sense of highly sensitive

Sense 1
highly sensitive -- (readily affected by various agents; "a highly sensitive explosive is easily exploded by a shock"; "a sensitive colloid is readily coagulated")
       => sensitive (vs. insensitive) -- (responsive to physical stimuli; "a mimosa's leaves are sensitive to touch"; "a sensitive voltmeter"; "sensitive skin"; "sensitive to light")