- superficiality, shallowness - lack of depth of knowledge or thought or feeling
--1 is a kind of depth
--1 has particulars: glibness, slickness; sciolism - shallowness - the quality of lacking physical depth; "take into account the shallowness at that end of the pool before you dive"
--2 is a kind of depth
Antonyms: deepness, profundity, profoundness
--2 has particulars: superficiality