Your strength is the physical energy that you have, which gives you the ability to perform various actions, such as lifting or moving things.

Someone's strength in a difficult situation is their confidence or courage.

The strength of an object or material is its ability to be treated roughly, or to carry heavy weights, without being damaged or destroyed.

The strength of a person, organization, or country is the power or influence that they have.

If you refer to the strength of a feeling, opinion, or belief, you are talking about how deeply it is felt or believed by people, or how much they are influenced by it.

Someone's strengths are the qualities and abilities that they have which are an advantage to them, or which make them successful.

If you refer to the strength of a currency, economy, or industry, you mean that its value or success is steady or increasing.

The strength of a group of people is the total number of people in it.

The strength of a wind, current, or other force is its power or speed.

The strength of a drink, chemical, or drug is the amount of the particular substance in it that gives it its particular effect.

You can talk about the strength of a flavour, smell, colour, sound, or light to describe how intense or easily noticed it is.

If a person or organization goes from strength to strength, they become more and more successful or confident.

If a team or army is at full strength, all the members that it needs or usually has are present.

If a group turns out in strength, they arrive in large numbers.

If one thing is done on the strength of another, it is done because of the influence of that other thing.

If an army or team is under strength or below strength, it does not have all the members that it needs or usually has.