1. Existing for a long time
   - durable, lasting, long-lasting

See also: long

• occultism
• occultist
• occupancy
• occupancy rate
• occupant
• occupation
• occupation licence
• occupation license
• occupational
• occupational disease
• occupational group
• occupational hazard
• occupational safety and health act
• Occupational Safety and Health Administration
• occupational therapy
• occupationally
• occupied
• occupier
• occupy
• occur
• occurrence
• occurrent
• ocean
• ocean bottom
• ocean current