Synonyms|20Antonyms|0|Broader|1Narrower|8Related|3
17
nonrenewable fuel source(noun, expression, idiom, fuel)
12
nonrenewable energy(noun, expression, fuel)
7
coal
5
oil
5
petroleum(noun, oil)
5
hydrocarbon deposit(noun, expression, fuel)
4
diesel
4
kindling
3
fuel
3
nuclear fuel
3
peat
2
paraffin
2
crude
1
gas
1
crude oil
1
firewood
0
petrol
0
tinder
0
energy
-4
combustible
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APASmart Define. (2015). fossil fuel thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/fossil_fuel/thesaurus/synonyms
ChicagoSmart Define. 2015. "fossil fuel thesaurus" https://smartdefine.org/fossil_fuel/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, fossil fuel thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/fossil_fuel/thesaurus/synonyms>.
MLASmart Define. "fossil fuel thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/fossil_fuel/thesaurus/synonyms>