Crossword puzzle clue "become a recluse perhaps"

a morbid fear of open spaces

solitary, apart from others

one who lives in seclusion, usually for religious reasons, also ANCHORITE

one who lives in seclusion, usually for religious reasons, also ANCHORET

practising severe abstinence or austerity, esp. for religious or spiritual reasons, also ASCETICAL

to show disapproval by making this sound, also BOOH