Words from
fugitive (special usage, figurative)
    quick to disappear; fleeting.
    
    Source: Children of Ruin - Novel by Adrian Tchaikovsky
    
    Usage Example: Having a fugitive thought.
    
  recluse
    a person who leads a solitary life and tends to avoid other people.
    
    Source: Children of Ruin - Novel by Adrian Tchaikovsky
    
    reluctant
    unwilling and hesitant; disinclined.
    
    Source: Children of Ruin - Novel by Adrian Tchaikovsky
    
    apposite
    apt in the circumstances or in relation to something.