No shit vs Obviously vs Of course vs Really

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

No shit

SlangTop 5,000 (fairly common)

Obviously

Top 1,000 (very common)B1adverb

Of course

Top 1,000 (very common)

Really

Top 1,000 (very common)A1adverb
 No shitObviouslyOf courseReally
Pronunciation🇬🇧 //nəʊ ʃɪt//🇺🇸 //noʊ ʃɪt//🇬🇧 /["/ˈɒbviəsli/"]/🇺🇸 /["/ˈɑːbviəsli/"]/🇬🇧 //əv kɔːs//🇺🇸 //əv kɔrs//🇬🇧 /["/ˈriːəli//ˈrɪəli/"]/🇺🇸 /["/ˈriːəli/"]/
MeaningAn expression used to show that something is obvious or true.Clearly or easily seen.Definitely, it's obvious.very or truly
ExampleDid you see that movie? It was amazing! No shit!Obviously, we don't want to spend too much money.Are you joining us for dinner tonight? Of course!I really enjoy going to the beach.
RegisterSlangNeutralNeutralNeutral
How commonTop 5,000 (fairly common)Top 1,000 (very common)Top 1,000 (very common)Top 1,000 (very common)
CEFR level-B1-A1
Part of speechadverbadverb
Collocationsno shit, Sherlock, no shit, really, no shit, of courseobviously correct, obviously wrong, obviously happy, obviously important, obviously trueof course not, of course yes, of course you can, of course it isreally want, really good, really sure, really excited, really important
Antonyms-unclearly, ambiguously-seldom, never
Common mistakesUsed in formal writing or speech., Confused with 'no kidding' or 'really' in different contexts., Overused to the point of losing emphasis.'Obvious' vs 'obviously': Confusing the adjective and adverb forms., Using in overly formal situations: It's too casual for very formal writing., Placing it too far from what it's describing: Should be close to the idea it clarifies.Using it in formal writing where a different expression is needed., Confusing it with other affirmations like 'certainly' or 'definitely'.Using it in place of 'real' when describing a noun., Confusing it with 'really' in terms of degree, e.g., 'really good' instead of 'very good'.
Usage notesUsed informally to emphasize the obviousness of a statement. Not appropriate in formal situations.Use 'obviously' when something is clear or evident. It's appropriate in most contexts but can seem sarcastic if overused.Used in informal and formal situations to affirm something obvious. Avoid in highly formal writing.Used to emphasize an adjective or another adverb. It can be informal in casual conversations but is accepted in most contexts; avoid overusing it in formal writing.

See it in real clips

No shit
Obviously
Of course
Really

Frequently asked questions: No shit vs Obviously vs Of course vs Really

What's the difference between No shit, Obviously, Of course, and Really?

No shit: An expression used to show that something is obvious or true. Obviously: Clearly or easily seen. Of course: Definitely, it's obvious. Really: very or truly

Which is more advanced: No shit, Obviously, Of course, and Really?

Obviously is the highest level, at B1, on the CEFR scale.

Can you show an example of each?

No shit: Did you see that movie? It was amazing! No shit! Obviously: Obviously, we don't want to spend too much money. Of course: Are you joining us for dinner tonight? Of course! Really: I really enjoy going to the beach.

Can I use No shit, Obviously, Of course, and Really interchangeably?

Not always. No shit, Obviously, Of course, and Really 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.