Ought: meaning, definitions and examples

Used to express a sense of moral duty, responsibility, or advice. It is less forceful than 'must' and often conveys a recommendation rather than an obligation.

• You ought to apologize to her for what you said.
• Children ought to respect their elders.

Used to give advice, recommendations, or to express what is considered the correct or best thing to do in a given situation. It is also used to express expectations.

• You should take an umbrella because it might rain.
• He should speak to his manager about the issue.

Used to express a strong necessity or obligation. 'Must' is used when something is required or essential.

• You must wear a helmet while riding a bike.
• Students must submit their assignments by Friday.

Used to indicate requirement or necessity. It is similar to 'must' but often used in a less strict or formal context.

• I need to buy groceries after work.
• You need to visit the doctor if you’re feeling unwell.

Used when expressing a moral duty or correctness, but with less emphasis on obligation.

• You ought to help your friends when they are in need.
• She ought to apologize for her mistake.

Used to express necessity or an obligation that cannot be avoided, often more neutral and widely used.

• You have to wear a seatbelt when driving.
• I have to finish this project by Monday.

Used when referring to an action that one feels morally or legally compelled to do.

• We are obliged to report any suspicious activity to the authorities.
• She felt obliged to thank him for his help.

Used in formal or official contexts when emphasizing a strong sense of duty or responsibility.

• As a soldier, he is duty-bound to follow orders.
• Teachers are duty-bound to ensure their students' safety.

Used to indicate duty or correctness when giving advice or making a recommendation. Often implies moral or logical necessity.

• You ought to apologize for what you said.
• She ought to behave more responsibly.

Employed to express that someone has earned something, especially after a lot of effort or because it's a fair reward. Can be used both in positive and negative contexts.

• He deserved the promotion after years of hard work.
• The player deserved the penalty for his rough play.

Formal or literary term to indicate earning something through one's actions or qualities. Often used in contexts of formal acknowledgment or award.

• Her outstanding work merited special recognition.
• The bravery of the soldiers merited a medal.