A really fast thesaurus... with lots of synonyms.
High test has 16 synonyms. The top synonyms for high test are avgas, crude, ethyl, regular, kerosene, paraffin, rock oil, crude oil and 8 more. Another word for high test is avgas. Browse the full list below.
| Length
| Random | DefinitionA common synonym for high test is avgas. Other synonyms include crude, ethyl, regular, kerosene.
High test has 16 synonyms listed on Thesaurasize.
(adj): most high
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