Inhale, the act of taking air or gas into the lungs, has several antonyms. The opposite of inhale is exhale, which means to expel air from the lungs. Another antonym for inhale is eject, which means to force something out of the body. Release is also an antonym for inhale, meaning to set free or let go of something. Hold or withhold might be considered antonyms for inhale, as they refer to the act of stopping or preventing the intake of air. Finally, restrain is another antonym for inhale, as it means to hold back or control the intake of breath.