solitary
    /ˈsɑːləˌteri/ /Brit ˈs{scriptainv}lətri/
    
 
    
    adjective
    
    without anyone or anything else :not involving or including anyone or anything else
    
    
    
    
    
    
    
    done by a person who is alone
    
    
    
    
    
    separate from other people or things
    
    
    
    [more ~; most ~] :tending to live or spend time alone
    
    
    
    
    
    noun
    
    [noncount] :solitary confinement