ne·gate 
/nɪˈgeɪt/ verb
ne·gates; ne·gat·ed; ne·gat·ing /nɪˈgeɪt/ verb [+ obj] formal 1 : to cause (something) to not be effective
▪ Alcohol negates the effects of the medicine. [=alcohol prevents the medicine from working] ▪ The fact that she lied about her work experience negated the contract. 2 grammar : to make (a word or phrase) negative
▪ a verb that is negated by “not”
▪ Alcohol negates the effects of the medicine. [=alcohol prevents the medicine from working] ▪ The fact that she lied about her work experience negated the contract.
▪ a verb that is negated by “not”
— ne·ga·tion /nɪˈgeɪʃən/ noun, plural ne·ga·tions formal
[count] — usually singular ▪ The jury's verdict was a negation of justice. [=the jury's verdict was unjust]
[noncount] ▪ actions done in negation of the rules
/nɪˈgeɪʃən/ noun, plural ne·ga·tions formal [count] — usually singular ▪ The jury's verdict was a negation of justice. [=the jury's verdict was unjust]
[noncount] ▪ actions done in negation of the rules
