Quite odd (5)
(Other definitions for outre that I've seen before include "off the beaten track" , "Going too far" , "Extravagant - fantastic" , "Unusual, rather shocking (from French)" , "Not abiding by what is proper" .)
(Other definitions for peculiar that I've seen before include "Odd - individual" , "'Curious, odd (8)'" , "'Strange, odd (8)'" , "Strange, I clear up" , "Extraordinary" .)