Antonyms of noun superficiality

1 of 2 senses of superficiality

Sense 1
superficiality, shallowness -- (lack of depth of knowledge or thought or feeling)
       Antonym of profundity (Sense 2)
      => profundity, profoundness -- (intellectual depth; penetrating knowledge; keen insight; etc; "the depth of my feeling"; "the profoundness of the silence")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun superficiality

2 senses of superficiality

Sense 1
superficiality, shallowness -- (lack of depth of knowledge or thought or feeling)
       => depth -- (degree of psychological or intellectual profundity)

Sense 2
superficiality -- (shallowness in terms of affecting only surface layers of something; "he ignored the wound because of its superficiality")
       => shallowness -- (the quality of lacking physical depth; "take into account the shallowness at that end of the pool before you dive")