Decline vs No thanks

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

Decline

Top 1,000 (very common)B2verb

No thanks

Top 2,000 (common)
Most common: Decline
 DeclineNo thanks
Pronunciation🇬🇧 /["/dɪˈklaɪn/","/dɪˈklaɪnz/","/dɪˈklaɪnd/","/dɪˈklaɪnɪŋ/"]/🇺🇸 /["/dɪˈklaɪn/","/dɪˈklaɪnz/","/dɪˈklaɪnd/","/dɪˈklaɪnɪŋ/"]/🇬🇧 //nəʊ θæŋks//🇺🇸 //noʊ θæŋks//
Meaningto say no to something or to become less.Used to politely refuse something.
ExampleShe decided to decline the invitation to the party.Would you like some dessert? No thanks.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelB2-
Part of speechverb
Collocationsconsiderably, dramatically, drastically, by, from, to, decline in importance, numbers, size, etc., politely, respectfullyno thanks, say no thanks, give a no thanks, offer no thanks, respond with no thanks
Antonymsaccept, agree, approve-
Common mistakesConfused with 'refuse' - 'decline' can sound more polite., Using 'decline' without an object (e.g., 'I will decline' is incomplete without specifying what)., Mistaking 'decline' for a physical action rather than a polite refusal.Saying 'no thank you' in very casual contexts, where 'no thanks' is preferred., Using 'no thanks' in very formal situations where a more elaborate response might be needed.
Usage notesUse 'decline' in formal settings to refuse an offer or request. In informal contexts, 'turn down' is more common. Don't confuse 'decline' with 'decrease'—the former involves refusal, while the latter refers to reduction.Use 'no thanks' when declining offers or suggestions politely. It's appropriate in most informal and some formal situations.

Frequently asked questions: Decline vs No thanks

What's the difference between Decline and No thanks?

Decline: to say no to something or to become less. No thanks: Used to politely refuse something.

Which is more common: Decline and No thanks?

Decline is the most common in everyday English.

Can you show an example of each?

Decline: She decided to decline the invitation to the party. No thanks: Would you like some dessert? No thanks.

Can I use Decline and No thanks interchangeably?

Not always. Decline and No thanks 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.