The superlative form of false; the most false, least true, or most dishonest.
From false + -est (superlative suffix). The superlative degree of the adjective false, like 'biggest,' 'smallest,' 'coldest.'
Shakespeare used 'falsest' brilliantly in betrayal scenes—'the falsest friend' cuts deeper than just 'false.' The superlative implies a special kind of treachery.
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