lisinopril lish • lisk · · · Info · Definitions · Synonyms · Characters · · lisinopril · · Text Latin · · Script 10 · · Length 4 · · Syllables Definitions · · · (noun) an ACE inhibiting drug (trade names Prinival or Zestril) administered as an antihypertensive and after heart attacks. Synonyms: Prinival, Zestril. · · Noun Definition 1 Synonyms · · · prinival · · Synonym 1 zestril · · Synonym 2 Characters · · i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073