Synonyms for Recluse (same or very similar meaning)
WordNet sense 1 (one who lives in solitude):
hermit, solitary, troglodyte, solitudinarian
WordNet sense 2 (withdrawn from society; seeking solitude):
reclusive, withdrawn
WordNet sense 3 (not seeking or given to association; being or living without companions):
unsocial
From the ODE community, based on WordNet
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