Similar words: seriousness, cautiousness, imperious, consciousness, fastidiousness, capriciousness, imperiously, pretentiousness. Meaning: [ɪm'pɪrɪəsnɪs /-'pɪər-] 
n. the trait of being imperious and overbearing.
n. the trait of being imperious and overbearing. 
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(1) His forehand suddenly wasn't as feared. His imperiousness had been punctured by the rise of Rafael Nadal.
(2) Its imperiousness is an offense that cannot be avenged without weapons, without tools, without human ingenuity.
(3) You could roll your eyes at her maudlin excesses and her spiritual imperiousness, but you couldn't deny her clout, or her courage.
(4) Of course, like all great philosophical concepts, niubi has an inverse side – an excess of niubi leads to self-importance, arrogance, hubris, imperiousness, and very dangerous driving.
(5) The main morbid psychology types of duty criminal consist of mental depression, victory fear, imperiousness and luxury.
More similar words: seriousness, cautiousness, imperious, consciousness, fastidiousness, capriciousness, imperiously, pretentiousness, conscientiousness, stream of consciousness, callousness, nervousness, arduousness, outrageousness, righteousness, meticulousness, serious, impervious, seriously, impecunious, deleterious, mysterious, meritorious, mysteriously, carelessness, uselessness, recklessness, restlessness, tactlessness, selflessness.