Comparative form of 'goofy'; more silly, foolish, ridiculous, or odd than something else.
From 'goofy' (silly, foolish) plus the comparative suffix '-er' (used to compare two things, as in 'bigger,' 'faster'). 'Goofy' likely derives from the Disney character Goofy or earlier slang meaning 'silly.'
The suffix '-er' is one of English's oldest comparison tools—we've been adding it to adjectives for over a thousand years, which is why it feels perfectly natural to say 'goofier,' even though 'goofy' is itself kind of a silly word!
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