jot and tittle UK /ˌdʒɒt n̩ ˈtɪtl̩/US /ˌdʒɑt n̩ ˈtɪt(ə)l/ noun1 •Often preceded by every: a smallest detail; (uncountable) the smallest details collectively.He did not get every jot and tittle, but the plan ultimately adopted was viable. formsjots and tittles