1. A slogan used to rally support for a cause
   "our watchword will be 'democracy'"
   - war cry, rallying cry, battle cry, cry 
2. A secret word or phrase known only to a restricted group
   - password, word, parole, countersign

Derived forms: watchwords

Type of: arcanum, catchword, motto, positive identification, secret, shibboleth, slogan

Encyclopedia: Watchword

• drop biscuit
• drop by
• drop by the wayside
• drop cap
• drop cloth
• drop curtain
• drop down
• drop earring
• drop goal
• drop hammer
• drop in
• drop keel
• drop like flies
• drop off
• drop one's serve
• drop open
• drop press
• drop scone
• drop shot
• drop the ball
• drop zone
• drop-dead
• drop-down menu
• drop-leaf
• drop-leaf table