1. a ship designed to break through ice-covered waters
Usage: nautical
2. an activity or remark intended to relieve tension or start a conversation

Examples

• The icebreaker cleared a path through the frozen Arctic waters.
• Russian icebreakers help maintain shipping routes in winter.
• She used a funny joke as an icebreaker at the party.
• The teacher started with an icebreaker game to help students get acquainted.
• That comment was a perfect icebreaker for our awkward first meeting.
• The conference began with icebreaker activities for networking.