1. resembling or having the characteristics of a fin; shaped like a fin

Examples

• The dolphin's finlike flippers help it navigate through the water.
• The aircraft's finlike wings were designed for aerodynamic efficiency.
• She noticed the finlike appendages on the deep-sea creature.
• The car's finlike spoiler added to its sleek appearance.
• The finlike structures on the fish's body aid in swimming and balance.