To save this word, you'll need to log in.
dum·dum | \ ˈdəm-ˌdəm 
\
\Definition of dumdum
(Entry 1 of 2)
: a bullet (such as one with a hollow point) that expands more than usual upon hitting an object
dum-dum
noun (2)\ ˈdəm-ˌdəm \
\Definition of dum-dum (Entry 2 of 2)
: a stupid person : dummy
Synonyms & Antonyms for dumdum
Synonyms: Noun (2)
- airhead,
- birdbrain,
- blockhead,
- bonehead,
- bubblehead,
- chowderhead,
- chucklehead,
- clodpoll
- (or clodpole),
- clot
- [British],
- cluck,
- clunk,
- cretin,
- cuddy
- (or cuddie)
- [British dialect],
- deadhead,
- dim bulb
- [slang],
- dimwit,
- dip,
- dodo,
- dolt,
- donkey,
- doofus
- [slang],
- dope,
- dork
- [slang],
- dullard,
- dumbbell,
- dumbhead,
- dummkopf,
- dummy,
- dunce,
- dunderhead,
- fathead,
- gander,
- golem,
- goof,
- goon,
- half-wit,
- hammerhead,
- hardhead,
- idiot,
- ignoramus,
- imbecile,
- jackass,
- know-nothing,
- knucklehead,
- lamebrain,
- loggerhead
- [chiefly dialect],
- loon,
- lump,
- lunkhead,
- meathead,
- mome
- [archaic],
- moron,
- mug
- [chiefly British],
- mutt,
- natural,
- nimrod
- [slang],
- nincompoop,
- ninny,
- ninnyhammer,
- nit
- [chiefly British],
- nitwit,
- noddy,
- noodle,
- numskull
- (or numbskull),
- oaf,
- pinhead,
- prat
- [British],
- ratbag
- [chiefly Australian],
- saphead,
- schlub
- (also shlub)
- [slang],
- schnook
- [slang],
- simpleton,
- stock,
- stupe,
- stupid,
- thickhead,
- turkey,
- woodenhead,
- yahoo,
- yo-yo
Antonyms: Noun (2)
Visit the Thesaurus for More
Keep scrolling for more
Keep scrolling for more
More Definitions for dumdum
dumdum
nounEnglish Language Learners Definition of dumdum
: a bullet that expands or explodes when it hits an object in order to cause greater damage
See the full definition for dumdum in the English Language Learners Dictionary
Comments on dumdum
What made you want to look up dumdum? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
May 2020 Words of the Day Quiz
- Which is a synonym of exiguous?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Share dumdum
Time Traveler for dumdum
The first known use of dumdum was circa 1889
See more words from the same year