Antonyms of adj vacuous

4 senses of vacuous

Sense 1
asinine, fatuous, inane, mindless, vacuous -- (devoid of intelligence)

INDIRECT (VIA foolish) -> wise -- (having or prompted by wisdom or discernment; "a wise leader"; "a wise and perceptive comment")

Sense 2
empty, hollow, vacuous -- (devoid of significance or point; "empty promises"; "a hollow victory"; "vacuous comments")

INDIRECT (VIA meaningless) -> meaningful -- (having a meaning or purpose; "a meaningful explanation"; "a meaningful discussion"; "a meaningful pause")

Sense 3
vacuous -- (devoid of matter; "a vacuous space")

INDIRECT (VIA empty) -> full -- (containing as much or as many as is possible or normal; "a full glass"; "a sky full of stars"; "a full life"; "the auditorium was full to overflowing")

Sense 4
blank, vacuous -- (void of expression; "a blank stare")

INDIRECT (VIA uncommunicative) -> communicative, communicatory -- (able or tending to communicate; "was a communicative person and quickly told all she knew"- W.M.Thackeray)

Similarity of adj vacuous

4 senses of vacuous

Sense 1
asinine, fatuous, inane, mindless, vacuous -- (devoid of intelligence)
       => foolish (vs. wise) -- (devoid of good sense or judgment; "foolish remarks"; "a foolish decision")

Sense 2
empty, hollow, vacuous -- (devoid of significance or point; "empty promises"; "a hollow victory"; "vacuous comments")
       => meaningless (vs. meaningful), nonmeaningful -- (having no meaning or direction or purpose; "a meaningless endeavor"; "a meaningless life"; "a verbose but meaningless explanation")

Sense 3
vacuous -- (devoid of matter; "a vacuous space")
       => empty (vs. full) -- (holding or containing nothing; "an empty glass"; "an empty room"; "full of empty seats"; "empty hours")

Sense 4
blank, vacuous -- (void of expression; "a blank stare")
       => uncommunicative (vs. communicative), incommunicative -- (not inclined to talk or give information or express opinions)