Definitely vs Strictly

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

Definitely

Top 1,000 (very common)A2adverb

Strictly

Top 2,000 (common)B2adverb
Most common: Definitely
 DefinitelyStrictly
Pronunciation🇬🇧 /["/ˈdefɪnətli/"]/🇺🇸 /["/ˈdefɪnətli/"]/🇬🇧 /["/ˈstrɪktli/"]/🇺🇸 /["/ˈstrɪktli/"]/
MeaningFor sure, without a doubtonly, definitely
ExampleI definitely remember sending the letter.She was brought up very strictly.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelA2B2
Part of speechadverbadverb
Collocationsdefinitely agree, definitely believe, definitely knowstrictly speaking, strictly adhere, strictly prohibited, strictly necessary, strictly enforced
Antonymsdoubtfully, uncertainlyloosely, leniently, flexibly, laxly
Common mistakesOften confused with 'defiantly' which means resisting authority., Sometimes spelled incorrectly as 'definately'.Using it in a casual context where 'just' would be more appropriate., Confusing with 'strict', which refers to being demanding or inflexible., Saying 'strictly for' instead of just using 'strictly'.
Usage notesUse 'definitely' to emphasize certainty. It fits well in both spoken and written English. Avoid using it in overly formal contexts where alternatives like 'certainly' might be more suitable.Use 'strictly' when you want to emphasize that something must be done exactly as stated. It's generally used in serious or formal contexts, and less so in casual conversations.

Frequently asked questions: Definitely vs Strictly

What's the difference between Definitely and Strictly?

Definitely: For sure, without a doubt Strictly: only, definitely

Which is more common: Definitely and Strictly?

Definitely is the most common in everyday English.

Are Definitely and Strictly the same CEFR level?

Definitely: A2, Strictly: B2 on the CEFR scale.

Can I use Definitely and Strictly interchangeably?

Not always. Definitely and Strictly 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.

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