fastfish
nounUK /ˈfɑːstfɪʃ/
US /ˈfæstfɪʃ/
A fastfish is a fish that swims very quickly.
The fastfish darted away before we could catch it.
RELATED WORDS
OTHER MEANINGS
2. A person who moves or works very quickly.
She's a real fastfish when it comes to finishing her homework.
3. A type of lure or bait designed to be pulled quickly through the water.
He tied on a fastfish and cast it into the current.
4. A nickname for a speedy boat or watercraft.
Their little fastfish skimmed across the lake in minutes.