Carefree, lighthearted, and full of joy; happy without apparent care or concern.
From 'blithe' combined with the suffix '-some,' meaning full of or characterized by (as in 'handsome,' 'tiresome'). The '-some' suffix comes from Old English and creates descriptive adjectives.
The '-some' suffix is hiding in tons of English words—'awesome,' 'awesome,' 'wholesome'—and it's one of the oldest ways to make adjectives, going back over 1,200 years to Old English!
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