Comply vs Conform vs Follow vs Obey

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

Comply

Top 5,000 (fairly common)C1verb

Conform

Top 2,000 (common)B1

Follow

Top 1,000 (very common)A1verb

Obey

Top 1,000 (very common)B2verb
 ComplyConformFollowObey
Pronunciation🇬🇧 /["/kəmˈplaɪ/","/kəmˈplaɪz/","/kəmˈplaɪd/","/kəmˈplaɪɪŋ/"]/🇺🇸 /["/kəmˈplaɪ/","/kəmˈplaɪz/","/kəmˈplaɪd/","/kəmˈplaɪɪŋ/"]/🇬🇧 //kənˈfɔːm//🇺🇸 //kənˈfɔrm//🇬🇧 /["/ˈfɒləʊ/","/ˈfɒləʊz/","/ˈfɒləʊd/","/ˈfɒləʊɪŋ/"]/🇺🇸 /["/ˈfɑːləʊ/","/ˈfɑːləʊz/","/ˈfɑːləʊd/","/ˈfɑːləʊɪŋ/"]/🇬🇧 /["/əˈbeɪ/","/əˈbeɪz/","/əˈbeɪd/","/əˈbeɪɪŋ/"]/🇺🇸 /["/əˈbeɪ/","/əˈbeɪz/","/əˈbeɪd/","/əˈbeɪɪŋ/"]/
MeaningTo follow rules or requests.to act in the same way as others or follow rulesTo go after someone or something or do what they do.To do what someone tells you to do.
ExampleThey refused to comply with the UN resolution.Students are expected to conform to the school's dress code.I will follow you to the store.In order to maintain order, everyone must obey the rules.
RegisterNeutralNeutralNeutralNeutral
How commonTop 5,000 (fairly common)Top 2,000 (common)Top 1,000 (very common)Top 1,000 (very common)
CEFR levelC1B1A1B2
Part of speechverbverbverb
Collocationsfully, reluctantly, happily, fail to, refuse to, withconform to expectations, conform to rules, conform to standards, conform with guidelines, conform to social normsclosely, reluctantly, dutifully, beckon somebody to, beckon to somebody to, being followed, follow close behind (somebody), follow right behind (somebody), closely, quickly, shortly, (be) followed by something, follow in the wake of something, closely, quickly, shortly, (be) followed by something, follow in the wake of something, carefully, to the letter, dutifully, faithfully, blindly, slavishly, be expected to, be likely to, follow in somebody’s footsteps, follow in the tradition of somebody/​something, follow suit, not necessarily, logically, naturally, (on) from, not quite, be easy to, be difficult to, be hard toimmediately, instantly, quickly, have to, must, refuse to, be only obeying orders, a duty to obey, an obligation to obey
Antonymsdisobey, ignore, floutdeviate, dissent, disobeylead, precede, guidedisobey, ignore
Common mistakesUsing 'comply' without the preposition 'with'., Confusing 'comply' with 'compromise'., Misusing the tense, such as saying 'complyed'.Confused with 'inform' vs 'conform', Incorrectly using 'conform' without 'to', Using 'conform' in overly casual contextsConfusing 'follow' with 'lead' — they have opposite meanings., Using 'follow' without an object (e.g., 'I will follow' should specify who or what)., Mistakenly using 'follows' in the past tense instead of 'followed'.Confused with 'obeyed' in past tense usage., Using 'obey' without an object, which is incorrect., Mixing up 'obey' with 'comply' - they are similar but not interchangeable.
Usage notesUsed in formal contexts, such as legal settings or official instructions. Less common in casual conversations. Avoid using in situations where agreement is more appropriate.Use 'conform' in contexts involving social behavior or rules. Avoid in informal settings.Use 'follow' when discussing tracking someone physically or conceptually (like ideas or trends). For social media, 'follow' often describes subscribing to someone's updates. Avoid using it in overly formal contexts.Use 'obey' in contexts involving rules, laws, or authority figures. It's suitable for both formal and casual situations, but avoid using it with someone you know well unless discussing serious issues.

See it in real clips

Follow

Frequently asked questions: Comply vs Conform vs Follow vs Obey

What's the difference between Comply, Conform, Follow, and Obey?

Comply: To follow rules or requests. Conform: to act in the same way as others or follow rules Follow: To go after someone or something or do what they do. Obey: To do what someone tells you to do.

Which is more advanced: Comply, Conform, Follow, and Obey?

Comply is the highest level, at C1, on the CEFR scale.

Are Comply, Conform, Follow, and Obey the same CEFR level?

Comply: C1, Conform: B1, Follow: A1, Obey: B2 on the CEFR scale.

Can you show an example of each?

Comply: They refused to comply with the UN resolution. Conform: Students are expected to conform to the school's dress code. Follow: I will follow you to the store. Obey: In order to maintain order, everyone must obey the rules.

Can I use Comply, Conform, Follow, and Obey interchangeably?

Not always. Comply, Conform, Follow, and Obey 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.

Related comparisons