More gay; either more happy and lighthearted in the traditional sense, or more homosexual in orientation.
From Old French 'gai' (joyful, lively), the adjective 'gay' originally meant carefree and brightly colored. The sexual orientation meaning emerged in the 20th century, possibly from the carefree, uninhibited sense.
The word 'gay' had a complete meaning reversal in just 70 years—1950s dictionaries define it as 'happy and carefree,' but by the 1980s, that meaning was almost completely replaced. This is one of the fastest semantic shifts in English, driven by a community deliberately reclaiming and celebrating the term.
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