The quality of being bulldoggish; the state of having stubborn, aggressive persistence and determination resembling a bulldog's nature.
From 'bulldoggish' (adjective) + '-ness' (abstract noun suffix). This builds on the adjective to create a noun representing the abstract quality or state of being bulldoggish.
The existence of both 'bulldoggedness' and 'bulldoggishness' in English shows how productive our language is—we keep adding layers of suffixes to express subtle differences in how deeply or inherently a quality exists in someone.
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