latitudinarian UK /ˌlatɪtjuːdɪˈnɛːɹɪən/US /lædɪtuːdəˈnɛɹi.ən/adjective 3noun 1forms 3 adjective3 •Not restrained; not confined by precise limits. •Tolerant, especially of other people's religious views. •Lax in moral or religious principles. noun1 •A person who is tolerant of others' religious views. formslatitudinarians · more latitudinarian · most latitudinarian