1. able to be filled again with the same substance after being emptied

Examples

• She bought a refillable water bottle to reduce plastic waste.
• The refillable ink cartridges save money in the long run.
• This refillable prescription can be picked up at any pharmacy.
• The restaurant offers refillable soft drinks with meals.
• He prefers refillable pens over disposable ones.
• The refillable propane tank needs to be exchanged when empty.