1. A narrow strait or channel with a strong, turbulent current or tidal flow.
Usage: Often capitalized when referring to the Euripus Strait between Euboea and mainland Greece; Literary or geographical term
2. A rapid or violent change of opinion, fortune, or circumstance.
Usage: Archaic or literary usage; Derived from the famous tidal phenomenon of the Euripus Strait

Examples

• The ship navigated carefully through the euripus, where the currents shifted unpredictably.
• The Euripus Strait is known for its dramatic tidal reversals.
• His political allegiances underwent a euripus, changing direction without warning.
• Ancient mariners feared the euripus for its treacherous waters.
• The euripus between the two islands created a natural barrier to trade.