His engaging bumptiousness is a kicky change from Andrew Garfield's more brooding incarnation. (csmonitor.com)
Obedience training will control his occasional bumptiousness and build his confidence, but you must be patient and persuasive, for sighthounds are extremely sensitive to leash jerking and may respond defensively if frightened. (dogbreedstandards.com)
It aims to trace a fine line at which a good quality becomes unpleasant, when, say, boldness turns into bumptiousness, and cautiousness into idleness. (jobtestprep.com)