From Middle English chastite, from Old French chasteté, a semi-learned adaptation of Latin castitas, equivalent to chaste +‎ -ity.

• (UK) IPA^(key): /ˈt͡ʃastɪti/
• (US) IPA^(key): /ˈt͡ʃæstɪti/, [ˈt͡ʃæstɪɾi]
• IPA^(key): (obsolete) /ˈt͡ʃeɪstɪti/

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chastity (countable and uncountable, plural chastities)

1. The quality of being chaste: the state of abstaining from any sexual activity considered immoral; avoidance of sexual sins.

   The monk took a vow of chastity.

   vow of chastity

   virtue and chastity

   • 2010, The Guardian, Celibacy: whose bright idea was that?, 29 May 2010

     In Catholic doctrine, the virtue of chastity is taken to be the principal foil to everyone's favourite deadly sin, lust.

• chasteness

• inchastity, unchastity
• incontinence, incontinency
• lust
• promiscuity

• celibacy

• chaste

• “chastity”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

• yachtist