Antonyms of noun pretentiousness

1 of 2 senses of pretentiousness

Sense 2
pretentiousness, pretension, largeness -- (the quality of being pretentious (behaving or speaking in such a manner as to create a false appearance of great importance or worth))
       Antonym of unpretentiousness (Sense 1)
      => unpretentiousness -- (the quality of being natural and without pretensions)

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

2 senses of pretentiousness

Sense 1
ostentation, ostentatiousness, pomposity, pompousness, pretentiousness, puffiness, splashiness, inflation -- (lack of elegance as a consequence of being pompous and puffed up with vanity)
       => inelegance -- (the quality of lacking refinement and good taste)

Sense 2
pretentiousness, pretension, largeness -- (the quality of being pretentious (behaving or speaking in such a manner as to create a false appearance of great importance or worth))
       => unnaturalness -- (the quality of being unnatural or not based on natural principles)