hiddenname
nounUK /ˈhɪd.ən.neɪm/
US /ˈhɪd.ən.neɪm/
A name that is kept secret so people cannot find out who it belongs to.
The spy used a hiddenname so no one would know who she really was.
OTHER MEANINGS
2. A username that does not show a person's real name.
He played the game under a hiddenname to stay private.
3. A name written in a place where it cannot easily be seen.
The artist put a hiddenname in the corner of the painting.
4. A name that is kept back until the right moment to reveal it.
The winner's hiddenname was kept in a sealed envelope.