What is the difference between: Maybe, Perhaps, Possibly and Probably

What are the differences between "maybe", "perhaps", "possibly", and "probably"?

Differences between Maybe, Perhaps, Possibly and Probably in English

When speaking or writing English, we often want to express that something is uncertain or not guaranteed to happen. There are a few common adverbs we can use to show uncertainty: maybe, perhaps, possibly, and probably. Though they are similar, there are some key differences in how they are used.


Maybe‘ is an adverb that expresses a possibility or uncertainty. It is used at the beginning or end of a sentence. Maybe indicates the lowest level of likelihood among these words. It suggests something has a chance of happening, but the speaker is not expecting it or counting on it. “Maybe” is perhaps the most straightforward of the four words. It is often used to express uncertainty or to suggest a possibility. For example, if someone asks you if you’ll attend a party, you might respond with, “I’m not sure yet; maybe I’ll come.” In this context, “maybe” implies that you are considering the possibility, but you are not committed to a decision.


  1. Maybe we should take a break.
  2. We should take a break, maybe.
  3. Maybe it will rain this afternoon, but I’m not sure.
  4. I’m thinking of taking a vacation. Maybe I’ll go to the beach.


Perhaps‘ is a slightly more formal synonym for ‘maybe’. Similar to ‘maybe’, it can be used at the start or end of a sentence to indicate uncertainty or possibility. Perhaps indicates a possibility that is reasonable or worth considering. It shows the speaker views something as potential or plausible. “Perhaps” is a bit more formal and implies a sense of uncertainty or doubt. It is often used when you want to suggest a possibility politely. For instance, if you want to ask someone out on a date, you might say, “Would you like to go out with me, perhaps this weekend?” Here, “perhaps” softens the request and makes it sound less direct.


  1. Perhaps it’s going to rain.
  2. It’s going to rain, perhaps.
  3. Perhaps we should reschedule the meeting until next week.
  4. Perhaps she missed the bus and will be late.


Possibly‘ is another adverb offering a degree of uncertainty, often used when the outcome of a situation is unknown or when asking permission in polite terms. It is generally used in the middle of a sentence. Possibly also indicates a reasonable chance of something happening. It’s very similar to perhaps, but possibly may imply a slightly higher likelihood. “Possibly” takes uncertainty a step further. It suggests that something might happen or be true, but it also acknowledges that the likelihood is not very high. For example, if someone asks if it’s going to rain tomorrow, you might respond with, “It’s possibly going to rain, but the forecast is uncertain.” In this case, “possibly” conveys a lower level of confidence compared to “maybe” or “perhaps.”


  1. It could possibly rain later today.
  2. Could I possibly borrow your pen?
  3. She’s possibly the most talented musician in the choir.
  4. I possibly left my keys upstairs. Let me go check.


Probably‘ is used when something is likely to happen. It expresses a higher degree of certainty than ‘maybe’, ‘perhaps’, or ‘possibly’. It can appear at the start, middle or end of a sentence. “Probably” stands in contrast to the other three words. It indicates a high level of likelihood or probability. When you say something is “probably” true or going to happen, you are expressing confidence in that outcome. For instance, if you are asked whether you will attend a meeting, and you intend to do so, you can reply with, “I will probably be there.” This means you are almost certain about your attendance. Probably indicates the highest level of likelihood among these words. It suggests something has a good chance of happening or being true, in the speaker’s view.


  1. He’s probably the best candidate for the position.
  2. It will probably rain today, so bring an umbrella.
  3. She probably won’t be home until 7 pm tonight.

Frequent mistakes with the use of Maybe, Perhaps, Possibly and Probably

Common Mistakes and Tips for Avoiding Them:

  1. Incorrect Usage of “maybe” and “may be”: The mistake of improperly splitting these words can lead to misunderstandings. “Maybe” is an adverb indicating possibility, while “may be” indicates a possible form of the verb “may be.”
    • Correct: Maybe I’ll go to the party.
    • Incorrect: May be I’ll go to the party.
  2. Overuse of “perhaps”: “Perhaps” has a more formal appearance, and using it in informal conversations may sound awkward. It’s best to use it when formal or polite language is necessary.
    • Correct: Would you like to go out with me, perhaps this weekend?
    • Incorrect: Wanna hang out, perhaps this weekend?
  3. Excessive Use of “possibly”: “Possibly” indicates a low probability, so using it in contexts where high probability is implied would be inappropriate.
    • Correct: It will probably rain tomorrow.
    • Incorrect: It will possibly rain tomorrow.
  4. Proper Use of “probably”: It’s essential to understand that “probably” signifies a high likelihood. Avoid using this word when you are not confident in the high probability of an event.
    • Correct: I’ll probably be there.
    • Incorrect: I’ll maybe be there.
  5. Avoiding Double Negation: Steer clear of double negation with the use of “maybe,” “perhaps,” “possibly,” or “probably.” For example, “I can’t maybe come” is grammatically incorrect.
    • Correct: I probably can come.
    • Incorrect: I can’t maybe come.

Learning the correct usage of these words and avoiding common mistakes will help you speak English more accurately and confidently. Practice these words in various contexts to improve your oral and written language skills.

In summary, the differences between “maybe,” “perhaps,” “possibly,” and “probably” come down to the level of uncertainty and probability they convey. “Maybe” suggests a casual possibility, “perhaps” implies uncertainty in a polite manner, “possibly” indicates a lower likelihood, and “probably” expresses a higher degree of confidence.

By grasping these subtle distinctions, you can use these words more effectively in your English conversations. Practicing them in context will further improve your fluency and communication skills. So, whether you’re maybe considering learning more about English adverbs or perhaps looking to boost your language skills, this knowledge will undoubtedly help you on your linguistic journey.

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