Wiktionary
catatonically
adv. With, or as if with, catatonia; rigidly, mechanically
Usage examples of "catatonically".
There's the workaholic businesswoman Ten-Four, the party girl Elvira, the Barbie-like Miss Wonderful, the catatonically calm Grace, the sophisticated Catherine, the violently obscene Sewer Mouth.
Some were moving catatonically, milling back and forth on the ramp and in front of the big viewscreen and in the command arena.