noun
    
    plural -toms
    
    [count] the soul of a dead person thought of as living in an unseen world or as appearing to living people :ghost
    
    
    
    something that is not real and exists only in a person's mind
    
    
    
    something that is hard to see or achieve - often + of
    
    
    
    adjective
    
    always used before a noun
    
    coming from or associated with the world of ghosts
    
    
    
    not real or true or not based on something real or true
    
    
    
    
    
    not real but felt or experienced as something real