by definition

because of the nature of someone or something Circus performers are, by definition, delightful show-offs and risk takers.

According to prior determination, as a given. For example, This antibiotic is by definition the most effective now on the market. [1970s]

Name	Pronounced	Usage
ÉRica	-	Portuguese
Hallr	-	Ancient Scandinavian
Morag	MOR-ak	Scottish
Luned	LIN-ed (Welsh)	Welsh, Welsh Mythology, Arthurian Romance
DagrÚN	-	Ancient Scandinavian, Icelandic
GracÍLia	grə-SEEL-yə	Portuguese