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8.
Someone who is well read or performs well in a large variety of subjects that is admirable and worth mentioning; but on the other hand doesn't know everything about one thing in particular.
A Jack of all trades is similar to the value of a Jack in a deck of cards. It's a good card, but there are definitely better ones out there.
by PinkKiwi December 15, 2011
 
1.
The other definitions are wrong.
A Jack of all Trades is someone who is decent at everything, but not especially adept at any one thing.
Red Mage from Final Fantasy is a Jack of all Trades.
by morbidgolem October 18, 2007
 
2.
A person who is skilled at a variety of different things, but not to the same level as a person who is specialised in one of these things.
Jack of all trades, master of none,
but ofttimes better than a master of one.
by eruditionfish November 15, 2008
 
3.
a person who is good at many things but has no particular specialty (often with master of none at the end)
My friend was a jack of all trades.
by The Return of Light Joker October 18, 2008
 
4.
Someone who is very good at doing a variety of useful things.
Justin and Sean would be the JACKS-OF-ALL-TRADES up in hurr.
by Joshiro007 February 24, 2003
 
5.
A Jack of All Trades is a master at none, but often better than a master of one.
Person 1: You're a very well rounded person.
Person 2: I'm a Jack of All Trades.
by jeffyfromthebloc October 20, 2009
 
6.
someone who is skilled at a great deal of tasks, usually in the same feild, but who lacks suffcient skill in any one specific area.
"He can play guitar, keys and drums, but he just isn't that great"

"Jack-of-all-trades master of none"
by lukio March 16, 2007
 
7.
a jack of all trades is a person who is not an expert in any fields, but knows a little about everything.

jack of all trades often lack an university degree, as they didnt specialize in anything, but studied/learned a bit of every subject.
1: omfg john knows freakin everything!
2: nah, hes just a jack of all trades. dont ask him anything deeper tough.
by the.oppenheimer February 15, 2010