pretentiously (adverb)

1. He proposed to her pretentiously, with rose petals strewn across the floor and candles flickering in the dimly lit room.

2. The cartoon character strutted around pretentiously, his chest puffed out and his nose held high.

3. The comedian delivered his punchline pretentiously, pretending to be a sophisticated intellectual while delivering a silly joke.

4. The artist displayed his abstract paintings pretentiously, with detailed explanations of their deep meanings and profound symbolism.