Antonyms of verb vitalize

1 of 2 senses of vitalize

Sense 2
vitalize, vitalise -- (make more lively or vigorous; "The treatment at the spa vitalized the old man")
       Antonym of devitalize (Sense 1)
      => devitalize, devitalise -- (sap of life or energy; "The recession devitalized the economy")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb vitalize

2 senses of vitalize

Sense 1
vitalize, vitalise -- (give life to; "The eggs are vitalized")
       => change, alter, modify -- (cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue")

Sense 2
vitalize, vitalise -- (make more lively or vigorous; "The treatment at the spa vitalized the old man")
       => strengthen, beef up, fortify -- (make strong or stronger; "This exercise will strengthen your upper body"; "strengthen the relations between the two countries")

Antonyms of adj vitalizing

1 sense of vitalizing

Sense 1
life-giving, vitalizing -- (giving or having the power to give life and spirit; "returning the life-giving humus to the land"- Louis Bromfield; "life-giving love and praise"; "the vitalizing rays of the warming sun")

INDIRECT (VIA invigorating) -> debilitating -- (impairing the strength and vitality)

Similarity of adj vitalizing

1 sense of vitalizing

Sense 1
life-giving, vitalizing -- (giving or having the power to give life and spirit; "returning the life-giving humus to the land"- Louis Bromfield; "life-giving love and praise"; "the vitalizing rays of the warming sun")
       => invigorating (vs. debilitating) -- (imparting strength and vitality; "the invigorating mountain air")