strengthen

To add more strength to something that is already strong.

To make something much stronger in an important way.

To make something much stronger.

To make something much stronger.

To make something much stronger.

To make something much stronger.

To only strengthen something, without any other effect.

Actions or steps taken to make something stronger.

To have the main purpose of making something stronger.

An action taken with the aim of making something stronger.

An action taken with the aim of making something stronger.

To assist in making something stronger.

To be created with the purpose of making something stronger.

To have the effect of making something stronger.

To be employed as a method for making something stronger.

To become stronger in value compared to something else, e.g., a currency.