If a singer sings their own song during a karaoke party, is it considered karaoke?

that would depend on if they are inebriated....

if they are singing it as they recorded it, no.

but if they are in a drunken state, i might consider it a form of karaoke.

I would say no - if it the song doesn't have recorded music and there are no lyrics provided, it can't truely be a form of the art of karaoke.

This is from Wikipedia:

Karaoke (Japanese: カラオケ, from 空 kara, "empty" or "void", and オーケストラ ōkesutora, "orchestra") is a form of entertainment in which an amateur singer or singers sing along with recorded music on microphone. The music is typically of a well-known song in which the voice of the original singer is absent or reduced in volume. Lyrics are usually also displayed, sometimes including color changes synchronized with the music, on music video to guide the sing-along.

Karaoke has been a popular form of entertainment beginning first in Japan, then the rest of East Asia, since at least the 1980s, and has since spread to other parts of the world.

No its not Karaoke its just called plan old singing on there behalf

if a karaoke machine is used yes

Yes, it is karaoke.

One the few web sites i saw it didnt say anything about not singing things that you recorded

If a person asks a truly inane question on Y!A, is he automatically considered an idiot?

Isn't kareoke like really horrible songs with bad singers who are drunk?

id say no b/c it is their song, they arent trying to imitate someone and plus, they know all the lyrics...id say its just a free concert for everyone else...

I'd call it a free concert.

Hah.

I don't really think so..

parody-yoke i would call it.