The list below contains traits that have been discovered and are expected to appear in The Sims 3.
The traits are a new system which will make Sims more unique, each Sim will have a selection of 6 traits which will define how the react and communicate with Sims around them.
Each Trait will have a specific manner in the way a Sim might do something, for example a Loner Sims will not want to get married while a Nosy Sims will be poking around in another Sims business all the time.
Adverserial
Artistic
Athletic
Brave
Charismatic
Childish
Clumsy
Commitment Issues
Conversationalist
Creative
Cursed
Daredevil
Dreamer
Easily Bored
EVIL
Excitable
Family-Oriented
Flirty
Fortunate
Friendly
Frugal
Genius
Gloomy
Good Sense of Humor
Good
Green Thumbs
Gourmet
Grumpy
Handy
Hot-Headed
Hydrophobic
Idealistic
Inappropriate
Insensitive
Kleptomaniac
Light Sleeper
Loner
Lucky
Mooch
Natural Cook
Neat
Nice
Nosy
Outdoorsperson
Over-Emotional
Paranoid
Partier
Perfectionist
Pizza Lover
Playful
Romantic
Rude
Schmoozer
Shy
Slob
Socialite
Tramp
Unforgiving
Unlucky
Vegeterian
Whiney
Workaholic
Worrywart
List compiled from Articles taken from Games for Windows, PC Gamer as well as Previews posted by Gaming SItes. Able to improve on the information on this page, send us an email and we will update with the information supplied.