Antonyms of adj meaningless

1 sense of meaningless

Sense 1
meaningless (vs. meaningful), nonmeaningful -- (having no meaning or direction or purpose; "a meaningless endeavor"; "a meaningless life"; "a verbose but meaningless explanation")

meaningful (vs. meaningless) -- (having a meaning or purpose; "a meaningful explanation"; "a meaningful discussion"; "a meaningful pause")
        => meaty, substantive -- (being on topic and prompting thought; "a meaty discussion")
        => meaning (prenominal), pregnant, significant -- (rich in significance or implication; "a meaning look")
        => purposeful -- (having meaning through having an aim; "led a happy purposeful life")

Similarity of adj meaningless

1 sense of meaningless

Sense 1
meaningless (vs. meaningful), nonmeaningful -- (having no meaning or direction or purpose; "a meaningless endeavor"; "a meaningless life"; "a verbose but meaningless explanation")
       => empty, hollow, vacuous -- (devoid of significance or point; "empty promises"; "a hollow victory"; "vacuous comments")
       => insignificant -- (signifying nothing; "insignificant sounds")
       => mindless -- (lacking the thinking capacity characteristic of a conscious being; "the shrieking of the mindless wind")
       => nonsense (prenominal), nonsensical -- (having no intelligible meaning; "nonsense syllables"; "a nonsensical jumble of words")
          Also See-> insignificant#4, unimportant#2; purposeless#1; unimportant#1