semper fidelissemper fi·delis
The eagle holds a ribbon with the motto Semper Fidelis on the United States Marine Corps emblem.
The definition of semper fidelis, the motto of the U.S. Marines, is always faithful.
An example of semper fidelis is a motto meaning "always faithful."
always faithful: motto of the U.S. Marine Corps, often shortened to Informalsemper fi
Origin of semper fidelisClassical Latin