inactive
active
Active.
Mobile or active.
lazy,asleep
The opposite of the word "subside" is "rise" or "increase". Subside means to become less intense, severe, or active, so the opposite would be to become more intense, severe, or active.
active, energetic, lively, moving, quick. :)
active
Active, hard-working, or maybe lively?
The opposite of active using a prefix is "inactive."
active
The opposite of nocturnal is diurnal. Diurnal animals are active during the daytime, while nocturnal animals are active during the night.
Hyperactive means super active. Hypo active is the opposite.