The word "refuels" means to replenish fuel or energy in something. There are several synonyms for the word "refuels" including recharge, fill up, replenish, resupply, reload, top up and restock. The term "recharge" is commonly used when talking about electronic devices that need to be replenished with energy, while "fill up" is typically associated with vehicles that require gas or petrol. "Replenish" and "resupply" are often used interchangeably when talking about stocking up on supplies, while "reload" is more commonly used in reference to firearms. "Top up" and "restock" both refer to the act of adding more of something to a nearly depleted supply.