Fleet and Hell-for-leather

Fleet adjective - Moving, proceeding, or acting with great speed.

Hell-for-leather and fleet are semantically related in fast topic. In some cases you can use "Hell-for-leather" instead an adjective "Fleet".

Hell-for-leather adjective - Having or showing a lack of concern for the consequences of one's actions.

Fleet and hell-for-leather are semantically related in fast topic. You can use "Fleet" instead an adjective phrase "Hell-for-leather".