Dagger vs Knife

When to use each in English, with meaning, register, and examples.

Dagger

Knife

Top 2,000 (common) A2 noun

	Dagger	Knife
Pronunciation		🇬🇧 /["/naɪf/","/naɪvz/"]/ 🇺🇸 /["/naɪf/","/naɪvz/"]/
Meaning		A tool with a sharp blade used for cutting.
Example	-	She used a knife to cut the vegetables more easily.
Register	-	Neutral
How common	-	Top 2,000 (common)
CEFR level	-	A2
Part of speech		noun
Collocations	-	blunt, dull, sharp, set, pick up, lay down, put down, cut, slice, clatter, blade, handle, block, with a/​the knife, the blade of a knife, the handle of a knife, go under the surgeon’s knife
Antonyms	-	sword, blunt weapon
Common mistakes	-	Using 'knifes' as the plural form instead of 'knives'., Confusing 'knife' with 'cutlery' — cutlery refers to a set of utensils., Mixing up the usage with kitchen knives versus utility knives.
Usage notes	-	Use 'knife' in both formal and informal contexts when referring to the cutting tool. Be careful not to confuse 'knife' with other utensils like 'fork' or 'spoon'.

See it in real clips

Top Gun › Top Gun Maverick

Dagger one, up and ready on catapult one.

Dagger

He comes at me with the knife.

Peaky Blinders › S1 E1

Knife in his sock. Cosh in his belt.

He comes at me with the knife.

Peaky Blinders › S1 E1

Knife in his sock. Cosh in his belt.

Knife

Frequently asked questions: Dagger vs Knife

What's the difference between Dagger and Knife?

Dagger: Knife: A tool with a sharp blade used for cutting.

Can I use Dagger and Knife interchangeably?

Not always. Dagger and Knife are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.