Definition: The act of using physical or mental effort to do something, often requiring strength or energy.

Example: After a long day of exertion, she felt exhausted but accomplished.

Definition: Related to physical effort or activity that requires energy and strength.

Example: The doctor advised him to avoid exertional activities until he fully recovers.

Definition: To release or let out something, such as steam or gas, into the air.

Example: The engine exhausts smoke when it runs.

Definition: A pipe or system that allows waste gases or air to escape, especially from an engine or a building.

Example: The car's exhaust was emitting a lot of smoke after the long drive.

Definition: To use up all of something or to make someone very tired by using all their energy or resources.

Example: The long hike exhausted me by the time we reached the top of the mountain.

Definition: A type of training that involves alternating between fast and slow running during a workout.

Example: The coach recommended a fartlek session to improve our speed and endurance.

Definition: Able to move or act quickly; happening in a short amount of time.

Example: The cheetah is the fastest land animal, capable of running at incredible speeds.

Definition: In a quick manner; at a high speed.

Example: She runs fast to catch the bus.

Definition: To abstain from eating food, often for a period of time, usually for religious or health reasons.

Example: Many people choose to fast during Ramadan as a way to practice self-discipline.

Definition: The act of not eating food for a period of time, often for religious or health reasons.

Example: During Ramadan, many people observe a fast from dawn until sunset.

Definition: The practice of not eating food for a period of time, often for religious or health reasons.

Example: Many people choose fasting as a way to improve their health or spiritual well-being.

Definition: To abstain from all or some kinds of food or drink for a period of time.

Example: Many people choose fasting as a way to detox their bodies.

Definition: Having a lot of flesh or oil; often used to describe someone who is overweight or something that is rich in fat.

Example: The chef used a fat piece of meat for the stew to make it more flavorful.

Definition: A substance found in living things that is made up of oils and is often stored in the body as energy. It can be solid or liquid and is important for various biological functions.

Example: The body uses fat as a source of energy during long periods without food.

Definition: To make someone or something fatter or to gain weight.

Example: The farmer decided to fat the cattle before selling them.

Definition: In a manner where the feet are positioned in front, often used to describe a way of entering or moving into a place.

Example: He jumped into the pool feet first to make a big splash.

Definition: More solid or strong than something else; having a greater degree of firmness.

Example: The new mattress is firmer than the old one, providing better support for my back.

Definition: Describing beauty products that are intended to make the skin tighter and more toned.

Example: She uses a firming cream to improve the elasticity of her skin.

Definition: To make something more solid, strong, or tight.

Example: She is firming the muscles in her arms by exercising regularly.