Plural of hardhead; multiple stubborn people, or a type of fish with a bony head.
Simple plural of 'hardhead' using '-s'. Can also refer to hardhead catfish or other fish species named for their prominent skeletal head structure.
In ecology, hardhead fish are named perfectly—they have extremely thick, reinforced skull structures that help them survive in harsh environments and brutal territorial battles.
Complete word intelligence in one call. Free tier — 50 lookups/day.