Adjective
true or false (not comparable)
Of a question or series of questions having as answers only "true" or "false"
Teachers prefer true or false or multiple-choice tests because they can be graded so easily.
true-or-false (not comparable)
Alternative spelling of true or false
true-or-false
Sentences are not as such either true or false. J. L. Austin
I believe it is an established maxim in morals that he who makes an assertion without knowing whether it is true or false is guilty of falsehood, and the accidental truth of the assertion does not justify or excuse him. Abraham Lincoln
Don't forget that few people are likely to tell more than a small part of the truth: no one tells much of the truth, let alone the whole truth. Spoken words are facts in themselves, whether true or false. When people talk they reveal themselves, whether they're lying or telling the truth. Halldór Laxness
Popularity is a hasty and busy talker, she catches hold of topics and offers them to fame without giving herself time to reflect whether they are true or false. John Clare
How like fish we are: ready, nay eager, to seize upon whatever new thing some wind of circumstance shakes down upon the river of time! ... Even so, I think there is some virtue in eagerness, whether its object prove true or false. Aldo Leopold
Truth does not need argument, agreement, theories or beliefs. There is only one test for it and that is to ask yourself 'Is the statement true or false in my experience? Barry Long