Superlative form of blithe: most blithe.(adjective)
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Use "blithest" in a sentence
"We know the blithest estimate of the annual bill was 0.5% of a £36bn budget before October's review – and that whatever else has been cut,according to the Falkland Islands Government, it hasn't been their defence."
"So saying, he led the way out through halls and trances that were weel kend to my gudesire, and into the auld oak parlour; and there was as much singing of profane sangs, and birling of red wine, and speaking blasphemy and sculduddry, as had ever been in Redgauntlet Castle when it was at the blithest."
"Mounting to his attic, attended by Mrs Plornish as interpreter, he found Mr Baptist with no furniture but his bed on the ground, a table, and a chair, carving with the aid of a few simple tools, in the blithest way possible."