la extravagancia - outlandishness, eccentricity, oddness, excessSpanish example: Lo del profesor es algo más que extravagancia.
English example: What the professor has is something more than eccentricity.
Source: la extravagancia - outlandishness, eccentricity, oddness, excess (https://www.123teachme.com/spanish_feeds/word_of_the_day/2022/2/23)