occidental /ˌɒk.səˈdɛn.təl/adjective 2noun 1forms 3 adjective2 •Of, pertaining to, or situated in, the occident, or west; western.occidental climates, or customs; an occidental planet. •Of a gem or precious stone: of inferior value or quality. noun1 •A Western Christian of the Latin riteMost occidentals resident in South China have joined the Chinese in their zealous enthusiasm for the lychee. — 1921 formsoccidentals · more occidental · most occidental