1) Not big on interaction 2) Recluse 3) Seeking solitude 4) Unlikely to be out and about 5) Unsocial 6) Withdrawn 7) Withdrawn from society Found on https://www.crosswordclues.com/clue/reclusive
Re·clu'sive (-sĭv) adjective Affording retirement from society. 'Some reclusive and religious life.' Shak. Found on http://www.encyclo.co.uk/webster/R/24