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Antonyms for Animate (opposite meaning)

WordNet sense 1 (make less lively, intense, or vigorous; impair in vigor, force, activity, or sensation):
blunt, deaden

WordNet sense 2 (belonging to the class of nouns denoting nonliving things):

WordNet sense 3 (devoid of feeling and consciousness and animation):

From the ODE community, based on WordNetadd/edit