adjective
- not affected by or relating to tides
Usage: often used in scientific or geographical contexts
Examples
- The lake is a nontidal body of water.
- Nontidal wetlands are found inland away from coastal areas.
- The river becomes nontidal about fifty miles upstream.
- Scientists studied the nontidal marsh ecosystem.
- Nontidal waters have more stable water levels.
- The harbor has both tidal and nontidal sections.