prudish (adj.)

• austere
• censorious
• choosy
• conscientious
• critical
• decorous
• demure
• discriminating
• discriminative
• exacting
• fastidious
• formal
• fussy
• genteel
• hidebound
• meticulous
• narrow
• old-maidish
• overmodest
• particular
• picky
• precise
• priggish
• prim
• prissy
• proper
• punctilious
• puritanic
• puritanical
• rigid
• sanctimonious
• scrupulous
• selective
• sensitive
• severe
• smug
• squeamish
• stern
• stiff
• stiff-necked
• strait-laced
• straitlaced
• strict
• stuffy