grit one's teeth

idiom

Definition of grit one's teeth

1 : to press or rub the teeth together He gritted his teeth in anger/pain.
2 : to show courage and determination when dealing with problems or challenges Starting your own business can be very tough, but you just have to grit your teeth and keep working at it.

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“Grit one's teeth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/grit%20one%27s%20teeth. Accessed 27 Nov. 2020.

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