Here are some other terms you might use, depending on the specific context:
* Lethargic: This term implies a general lack of energy and enthusiasm, and could be applied to an organism that is slow to respond to stimuli.
* Inert: This term describes something that is inactive or motionless, and could be applied to an organism that doesn't respond at all to stimuli.
* Dormant: This term specifically describes an organism that is in a state of reduced activity, often in response to environmental conditions.
It's important to note that the specific term you use will depend on the particular situation and the type of organism in question.
