hammerhead

noun

ham·​mer·​head ˈha-mər-ˌhed 

1

: the striking part of a hammer

2

: blockhead

3

: any of a family (Sphyrnidae) of active voracious medium-sized sharks that have the eyes at the ends of lateral extensions of the flattened head see shark illustration

Synonyms of hammerhead

• idiot
• moron
• stupid
• dummy

Examples of hammerhead in a Sentence

we despair of ever getting those hammerheads to buckle their seat belts without prodding

Recent Examples on the Web

Worth checking out The iPlay iLearn Bouncy Pals Hopper Ball comes in great white shark, hammerhead shark and whale designs for ocean-loving kids ages 2 to 5. —Bestreviews, Chicago Tribune, 12 June 2026

The special is also filled with fin-tastic footage of hammerheads in their natural environment. —Kelli Bender, PEOPLE, 8 June 2026

There may be different types of sharks showing up, such as tiger, bull sharks and smooth hammerheads, Lowe said. —Laylan Connelly, Oc Register, 30 May 2026

This included critically endangered and vulnerable sharks such as white sharks (Carcharodon carcharias), grey nurse sharks (Carcharias taurus) and great hammerhead sharks (Sphyrna mokarran). —Melissa Cristina Márquez, Forbes.com, 16 May 2026

Word History

First Known Use

1562, in the meaning defined at sense 1

Rhymes for hammerhead

• abovesaid
• aforesaid
• arrowhead
• casinghead
• copperhead
• figurehead
• fountainhead
• gingerbread
• infrared
• leatherhead
• letterhead
• loggerhead

Kids Definition

hammerhead

noun

ham·​mer·​head ˈham-ər-ˌhed 

: any of various active sharks of medium size that have the eyes at the ends of sideward extensions of the flattened head