B1conjunction 2K

Unless

🇬🇧 UK /["/ənˈles/"]/ 🇺🇸 US /["/ənˈles/"]/

Meaning of Unless

used to say that something can only happen or be true in a particular situation

In simple words: if not; except if

Unless in a sentence

• You won't get paid for time off unless you have a doctor's note.
• I won't tell them—not unless you say I can.
• Unless I'm mistaken, she was back at work yesterday.
• He hasn't got any hobbies—unless you call watching TV a hobby.
• I sleep with the window open unless it's really cold.
• Unless something unexpected happens, I'll see you tomorrow.
• Have a cup of tea—unless you'd prefer a cold drink?

How to use Unless

Use 'unless' to indicate a condition that must not happen. It's often used in spoken and written English but may feel informal in very formal writing, where 'except if' might be preferred.

Grammar pattern

unless + clause

Memory hint

Think of 'unless' as 'no less' — you won't get something if that condition isn't met.

Related words

Collocations with Unless

• unless you agree
• unless I hear otherwise
• unless it's too late

Synonyms for Unless

• except if
• without
• but for

Opposites of Unless

• if
• provided that

Common mistakes with Unless

• 'Unless' can be confused with 'if', leading learners to use it incorrectly in conditional sentences.
• Some may forget to include a complete clause after 'unless', making their sentences incomplete.
• Confusing 'unless' with 'until', which have different meanings.

Frequently asked questions about Unless

What does Unless mean?

if not; except if

What is the definition of Unless?

used to say that something can only happen or be true in a particular situation

How do you use Unless in a sentence?

You won't get paid for time off unless you have a doctor's note.

Can you give another example of Unless?

I won't tell them—not unless you say I can.

What are synonyms for Unless?

Common alternatives include except if, without, but for.

What is the opposite of Unless?

Opposite meanings include if, provided that.

What words go with Unless?

It commonly pairs with unless you agree, unless I hear otherwise, unless it's too late.

What are common mistakes when using Unless?

'Unless' can be confused with 'if', leading learners to use it incorrectly in conditional sentences. Some may forget to include a complete clause after 'unless', making their sentences incomplete. Confusing 'unless' with 'until', which have different meanings.

How do you pronounce Unless?

US: /["/ənˈles/"]/, UK: /["/ənˈles/"]/. Listen to the audio above to hear native pronunciation.

When should I use Unless?

Use 'unless' to indicate a condition that must not happen. It's often used in spoken and written English but may feel informal in very formal writing, where 'except if' might be preferred.

What CEFR level is Unless?

"Unless" is at B1 level on the CEFR scale.