speednounfeminine/vɨlu·si·da·de/highve·lo·ci·da·dePortuguesEnglishEspanolFrancaisDefinitionThe rate at which someone or something moves or operates.The speed of the car was impressive.He runs with incredible speed.synquicknessswiftnessantslownessEtymologyDo latim 'velocitas'Related wordsvelozvelocíssimovelocidade máxima