Antonyms of adj superficial

2 of 3 senses of superficial

Sense 1
superficial (vs. profound) -- (concerned with or comprehending only what is apparent or obvious; not deep or penetrating emotionally or intellectually; "superficial similarities"; "a superficial mind"; "his thinking was superficial and fuzzy"; "superficial knowledge"; "the superficial report didn't give the true picture"; "only superficial differences")

profound (vs. superficial) -- (showing intellectual penetration or emotional depth; "the differences are profound"; "a profound insight"; "a profound book"; "a profound mind"; "profound contempt"; "profound regret")
        => deep -- (marked by depth of thinking; "deep thoughts"; "a deep allegory")
        => thoughtful -- (having intellectual depth; "a deeply thoughtful essay")

Sense 3
superficial, trivial -- (of little substance or significance; "a few superficial editorial changes"; "only trivial objections")

INDIRECT (VIA insignificant) -> significant, important -- (important in effect or meaning; "a significant change in tax laws"; "a significant change in the Constitution"; "a significant contribution"; "significant details"; "statistically significant")

Similarity of adj superficial

3 senses of superficial

Sense 1
superficial (vs. profound) -- (concerned with or comprehending only what is apparent or obvious; not deep or penetrating emotionally or intellectually; "superficial similarities"; "a superficial mind"; "his thinking was superficial and fuzzy"; "superficial knowledge"; "the superficial report didn't give the true picture"; "only superficial differences")
       => apparent (prenominal), ostensible, seeming (prenominal) -- (appearing as such but not necessarily so; "for all his apparent wealth he had no money to pay the rent"; "the committee investigated some apparent discrepancies"; "the ostensible truth of their theories"; "his seeming honesty")
       => dilettante, dilettantish, dilettanteish, sciolistic -- (showing frivolous or superficial interest; amateurish; "his dilettantish efforts at painting")
       => facile -- (arrived at without due care or effort; lacking depth; "too facile a solution for so complex a problem")
       => glib -- (marked by lack of intellectual depth; "glib generalizations"; "a glib response to a complex question")
       => looking, sounding -- (appearing to be as specified; usually used as combining forms; "left their clothes dirty looking"; "a most disagreeable looking character"; "angry-looking"; "liquid-looking"; "severe-looking policemen on noble horses"; "fine-sounding phrases"; "taken in by high-sounding talk")
       => shallow -- (lacking depth of intellect or knowledge; concerned only with what is obvious; "shallow people"; "his arguments seemed shallow and tedious")
       => skin-deep -- (penetrating no deeper than the skin: "her beauty is only skin-deep")
          Also See-> careless#1; frivolous#1; outward#1

Sense 2
superficial -- (of, affecting, or being on or near the surface; "superficial measurements"; "the superficial area of the wall"; "a superficial wound")

Sense 3
superficial, trivial -- (of little substance or significance; "a few superficial editorial changes"; "only trivial objections")
       => insignificant (vs. significant), unimportant -- (devoid of importance, meaning, or force)