The word "unwelcome" means not pleasant or not wanted. It refers to something or someone that is not received or accepted with approval or enthusiasm. Full definition
Whatever reason Volition had for first incorporating this into the Saints Row mythology, it's clear that now the team's goal is to make sure no player feels unwelcome in the game's world. (egmnow.com)
Her conclusion is that the risks of unwelcome surprises rise with unabated emissions and warming. (dotearth.blogs.nytimes.com)
One of those places where they make me feel unwelcome as soon as I walk in. (tech-gaming.com)