Bother, Perturb
This page is the CodyCross answer for the clue below from Futuristic City , Group 998, Puzzle 4 (Immunotherapy).
Question is: Bother, Perturb
and the answer is: DISTURB
Word Meaning:
DISTURB — (transitive) to confuse a quiet, constant state or a calm, continuous flow, in particular: thoughts, actions or liquids.
Definitions from Wiktionary.