Superlative form of frumpy; the most dowdy, drab, or unfashionable in appearance.
From 'frumpy' plus the superlative suffix '-est' (from Old English -est/-ost). This follows the standard English pattern for forming the highest degree of adjectives.
The superlative '-est' ending (like 'fastest,' 'tallest,' 'frumpiest') comes from ancient Germanic languages and is one of the oldest grammatical patterns in English, showing that people have been ranking and comparing things linguistically for over a thousand years.
Superlative form extending the gendered insult structure of 'frump' to the extreme.
Avoid superlative judgments of people's appearance; use only for objective description of garment styles if necessary.
["least fashionable","most outdated"]
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