apexnounmasculine/ɐ.ˈpi.sɨ/mediumá·pi·cePortuguesEnglishEspanolFrancaisDefinitionThe highest point; the peak or summit. Figuratively, the climax or pinnacle.The apex of the pyramid is perfectly aligned.Winning the championship was the apex of his sporting career.synpeaksummitpinnacleEtymologyDo latim 'apex, apicis'.Related wordsapicalapicultor