Snobbier can be replaced by words like pretentious, haughty, arrogant, superior, or condescending. These synonyms add depth to the meaning of snobbier, implying a sense of superiority and elitism. Pretentiousness emphasizes exaggerated and affected behavior that seeks to impress others, while haughtiness denotes an attitude of overt contempt for others. Arrogance and superiority suggest an assumption of superiority or infallibility and a belief in one's own brilliance. Finally, condescension denotes a patronizing attitude towards those perceived as inferior. Each of these synonyms conveys a different nuance of the quality of snobbishness, adding richness to the vocabulary.