Gobsmacked means so surprised that you can hardly speak. It's a British word made from gob, an informal word for mouth, and smack.
Wait... Whose Mouth Got Smacked?
Nobody's, really. Gobsmacked is a picture word. Gob is an informal word for the mouth, and smack is a slap or a sudden knock. Put them together and the word says: the surprise was so sudden, it hit your mouth and left it hanging open.
Calm, quiet word? ❌
A word with a surprised face inside it? ✅
What Does Gobsmacked Mean?
If you're gobsmacked, you're so surprised that you can hardly speak. It's an informal, mostly British word for a very big surprise.
I was gobsmacked when the whole class sang happy birthday to the teacher, who had forgotten it was her birthday.
🔊 Pronunciation
GOBZ-makt
The stress is on the first part: GOBZ. The ending sounds like act with an m at the front: makt.
🗣️ Natural Examples
I was gobsmacked when I won the school spelling contest.
We were gobsmacked by the size of the cake at Grandad's party.
"You walked all that way? I'm gobsmacked," said Mum.
The magician pulled a rabbit out of my backpack, and I was completely gobsmacked.
Everyone in the room went quiet. They were absolutely gobsmacked.
🛠️ How to Use It
Gobsmacked is informal, so it's best for conversation, stories and friendly writing.
- It's an adjective: I was gobsmacked, she looked gobsmacked.
- It's usually followed by at, by or when: gobsmacked by the news.
- It's mostly British English. People in other countries understand it, but they may use flabbergasted or astounded instead.
🤝 Common Word Partners
- absolutely gobsmacked
- left me gobsmacked
- completely gobsmacked
- gobsmacked by (the news)
- gobsmacked at (the size)
- looked gobsmacked
👨👩👧 Word Family
- gobsmacked (adjective): very surprised.
- gobsmacking (adjective): causing great surprise. It was a gobsmacking result.
- gob (noun, informal): a casual word for the mouth. In writing, mouth is the safer choice.
👯 Similar and Related Words
- flabbergasted: shocked and amazed in a big, dramatic way. See Flabbergasted.
- astounded: very surprised, in a stronger and more formal way. See Astounded.
- speechless: so surprised that you can't speak.
- stunned: shocked, as if you had been hit.
⚠️ Common Mistakes
Which word describes the person?
❌ The gobsmacking girl won the prize.
✅ The girl was gobsmacked when she won the prize. (The result was gobsmacking.)
Pronunciation.
❌ GOB-smack-ed (three parts)
✅ GOBZ-makt (two parts)
💬 In a Conversation
Mia: I got full marks on the spelling test.
Sam: You did? I'm gobsmacked.
Mia: Are you surprised I studied?
Sam: I'm surprised you studied with the television off.
🕵️ Where Does It Come From?
The word is built from gob and smack:
- Gob is an informal word for the mouth. It's probably from a Gaelic word for a beak or mouth. That part is a likely origin, not a proven one.
- Smack means a slap or a sudden blow. It's probably an imitation of the sound.
- Put together, they paint a picture: surprise so sudden that it feels like a smack on the mouth.
Dictionaries disagree a little about the date. Etymonline dates it to around 1936, and another source gives 1935. The Oxford Learner's Dictionary describes it as a word of the 1980s, which is probably when it became common. Its home is British English, especially northern England and southern Scotland.
💡 The OddLingo Trick
Imagine a surprise smacking your gob: the mouth falls open and no words come out. Gob + smacked = gobsmacked.
If you want to sound a bit less British, swap in flabbergasted.