antiknock antiking • antilabor · · · Info · Definitions · Synonyms · Characters · · antiknock · · Text Latin · · Script 9 · · Length Definitions · · · (noun) any of various compounds that are added to gasoline to reduce engine knocking. · · Noun Definition 1 (adj) suppressing or eliminating engine knock in combustion engines. Synonyms: antiknocking. Examples: "Antiknock properties." "Antiknock rating." · · Adjective Definition 1 Synonyms · · · antiknocking · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 i latin small letter i U+0069 k latin small letter k U+006B n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074