- 1[uncountable] tolerance (of/for somebody/something) the willingness to accept or tolerate someone or something, especially opinions or behavior that you may not agree with, or people who are not like you She had no tolerance for jokes of any kind. religious tolerance a reputation for tolerance toward refugees see also zero tolerance
- 2[countable, uncountable] tolerance (to something) the ability to suffer something, especially pain, difficult conditions, etc. without being harmed tolerance to cold Tolerance to alcohol decreases with age.
- 3[countable, uncountable] (technology) the amount by which the measurement of a value can vary without causing problems They were working to a tolerance of 0.0001 of a centimeter.