Crossword clue: something uncommonly large of the kind; something astonishing; -- applied especially to a bold lie.

The most common answer is whapper (7 letters).

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

whapper 7 letters web-def

Something uncommonly large of the kind; something astonishing; -- applied especially to a bold lie. [Colloq.]

whopper 7 letters web-def

something especially big or impressive of its kind