From Middle English sodain, from Anglo-Norman sodein, from Old French sodain, subdain (“immediate, sudden”), from Vulgar Latin *subitānus (“sudden”), from Latin subitaneus (“sudden”), from subitus (“sudden", literally, "that which has come stealthily”), originally the past participle of subire (“to come or go stealthily”), from sub (“under”) + ire (“go”).
- Happening quickly and with little or no warning, snell.
- The sudden drop in temperature left everyone cold and confused.
- (poetic) Suddenly.
- Herbs of every leaf that sudden flowered.
sudden (plural suddens)
- (obsolete) An unexpected occurrence; a surprise.