Definitions:

1. A method or activity designed to ease tension or encourage conversation and interaction among a group of people who are meeting for the first time or in a new or uncomfortable situation. NOUN
   • During the workshop, the facilitator used icebreakers to encourage team members who had never met to interact and connect.
2. A ship designed to navigate through ice-covered waters. NOUN
   • The icebreaker cut through the frozen waters, clearing a path for the cargo ships to follow.
3. A ship with a reinforced bow to break up ice and keep channels open for navigation. NOUN
   • The icebreaker's hull was reinforced with steel plates to withstand the impact of ice.
4. An activity, question, or statement designed to ease tension and promote interaction in social or group settings. NOUN
   • At the beginning of the party, Sarah suggested a fun icebreaker to help everyone feel more comfortable.

Synonyms:

• iceboat
• introduction
• opener
• ship
• starter