1. in a sudden and unexpected way
2. in a rude or unfriendly manner

Examples

• The meeting ended abruptly when the fire alarm went off.
• She turned abruptly and walked away without saying goodbye.
• The road curves abruptly to the left after the bridge.
• He spoke abruptly to the customer, making her feel unwelcome.
• The music stopped abruptly in the middle of the song.
• The trail ends abruptly at the edge of the cliff.
• When asked about his plans, he answered abruptly and changed the subject.