a suffix appearing in abstract nouns (generally formed from Latin adjectives or participles) of Latin origin (latitude; altitude); on this model, used in the formation of new nouns: platitude.
n. a bad attitude. : Hey, you really got a tude, dude.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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Word Origin & History
-tude
Latinate suffix forming abstract nouns from adjectives and participles (corresponding to native -ness), from Fr. -tude, from L. -tudo (gen. -tudinis). As a word in its own right, teenager slang shortening of attitude, it dates from 1970s.
