1. Not submersible or submergible
   - nonsubmergible

Antonym: submersible

• turn signal
• turn tail
• turn the corner
• turn the other cheek
• turn the tables
• turn the tide
• turn thumbs down
• turn to
• turn turtle
• turn up the heat
• turn up the pressure
• turnabout
• turnaround
• turnaround time
• turnbuckle
• turncoat
• turncock
• turndown
• turned
• turned on
• turned out
• turner
• Turner's syndrome
• turnery
• Turnicidae