Antonyms of noun highness

1 of 3 senses of highness

Sense 2
highness, loftiness -- (the quality of being high or lofty)
       Antonym of lowness (Sense 3)
      => lowness -- (the quality of being low; lacking height; "he was suddenly aware of the lowness of the ceiling")

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

3 senses of highness

Sense 1
Highness -- ((Your Highness or His Highness or Her Highness) title used to address a royal person)
       => aristocrat, blue blood, patrician -- (a member of the aristocracy)

Sense 2
highness, loftiness -- (the quality of being high or lofty)
       => height, tallness -- (the vertical dimension of extension; distance from the base of something to the top)

Sense 3
highness -- (a high degree (of amount or force etc.); "responsible for the highness of the rates")
       => degree, grade, level -- (a position on a scale of intensity or amount or quality; "a moderate grade of intelligence"; "a high level of care is required"; "it is all a matter of degree")