A tiny amount or part of something: the rules have not been altered one jot or tittle since
More example sentences
- Every jot and tittle of civilized dining etiquette is but an act of civil religious piety.
- I don't agree with every jot and tittle of his response, but I don't differ from it enough to write a separate post.
- Laboring over every jot and tittle - the life work of our paper-pushing peace processors - is quite mad.
late Middle English: from Latin titulus (see title), in medieval Latin 'small stroke, accent'; the phrase jot or tittle is from Matt. 5:18.