Antonyms of verb enliven

1 of 2 senses of enliven

Sense 2
enliven, liven, liven up, invigorate, animate -- (make lively; "let's liven up this room a bit")
       Antonym of deaden (Sense 6)
      => deaden, blunt -- (make less lively, intense, or vigorous; impair in vigor, force, activity, or sensation; "Terror blunted her feelings"; "deaden a sound")

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

2 senses of enliven

Sense 1
inspire, animate, invigorate, enliven, exalt -- (heighten or intensify; "These paintings exalt the imagination")
       => stimulate, shake, shake up, excite, stir -- (stir the feelings, emotions, or peace of; "These stories shook the community"; "the civil war shook the country")

Sense 2
enliven, liven, liven up, invigorate, animate -- (make lively; "let's liven up this room a bit")
       => stimulate, arouse, brace, energize, energise, perk up -- (cause to be alert and energetic; "Coffee and tea stimulate me"; "This herbal infusion doesn't stimulate")

Antonyms of adj enlivening

1 sense of enlivening

Sense 1
animating, enlivening -- (giving spirit and vivacity)

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

Similarity of adj enlivening

1 sense of enlivening

Sense 1
animating, enlivening -- (giving spirit and vivacity)
       => invigorating (vs. debilitating) -- (imparting strength and vitality; "the invigorating mountain air")