1. making a public or formal statement about something
Usage: present participle of announce
2. introducing or presenting someone or something
Usage: present participle of announce

Examples

• The principal is announcing the new school policy today.
• She stood up, announcing her departure to the group.
• The radio host is announcing the next song.
• They are announcing the winner of the contest tomorrow.
• The company is announcing major layoffs next week.
• He walked in announcing his arrival loudly.
• The weather service is announcing a storm warning.