A lack of energy or vigor; sluggishness.
Lack of interest or concern, especially regarding matters of general importance or appeal; indifference.
Lack of concern, interest, or feeling; apathy
Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
Lassitude is defined as a feeling of lethargy or a lack of mental or physical energy.
Phlegm is defined as mucus in the back of your throat or your respiratory passages, or a sluggish or calm temperament.
Lack of interest; apathy; indifference
Lack of interest or concern; indifference.
Find another word for unresponsiveness. In this page you can discover 22 synonyms, antonyms, idiomatic expressions, and related words for unresponsiveness, like: lethargy, apathy, disinterest, impassivity, incuriosity, incuriousness, indifference, insensibility, insensibleness, lassitude and listlessness.