| n. | 1. | Any matter used to produce heat by burning; that which feeds fire; combustible matter used for fires, as wood, coal, peat, etc. | |||
| 2. | Anything that serves to feed or increase passion or excitement.
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| v. t. | 1. | To feed with fuel. | |||
| 2. | To store or furnish with fuel or firing. | ||||
| Noun | 1. | fuel - a substance that can be consumed to produce energy; "more fuel is needed during the winter months"; "they developed alternative fuels for aircraft" |
| Verb | 1. | fuel - provide with a combustible substance that provides emergy; "fuel aircraft, ships, and cars" |
| 2. | fuel - provide with fuel; "Oil fires the furnace" Synonyms: fire | |
| 3. | fuel - take in fuel, as of a ship; "The tanker fueled in Bahrain" | |
| 4. | fuel - stimulate; "fuel the debate on creationism" |