unpropitious

adjective

1. presenting favorable conditions; favorable: propitious weather.
2. indicative of favor; auspicious: propitious omens.
3. favorably inclined; disposed to bestow favors or forgive: propitious gods.

adjective

1. favourable; auguring well
2. gracious or favourably inclined

adj.c.1600 (implied in unpropitiously), from un- (1) “not” + propitious. adj.mid-15c., from Anglo-French propicius, Old French propicius “gracious, favorable, useful” (12c., Modern French propice) and directly from Latin propitius “favorable, kind, gracious, well-disposed” (see propitiation). Earlier English form was propice, from Old French propice. Related: Propitiously.