Definition of treatise in English:



  • A written work dealing formally and systematically with a subject.

    ‘his treatise on Scottish political theory’
    • ‘He was aware of philosophers who wrote authoritative treatises, telling their readers what to think about a number of large and important matters.’
    • ‘They study magic and write treatises and quarrel, as scholars will, but none of them can cast a spell to save his life.’
    • ‘He wrote three treatises on numbers which helped to bring the Indian symbols and ideas of decimal fractions to the attention of some of the learned people in Europe.’
    • ‘There's clearly a history and you know, for being beyond words, I have thousands of Sufi treatises written by Sufis.’
    • ‘Hutton continued to publish textbooks, treatises and papers.’
    • ‘Most of the Sutras in short enigmatic aphorisms were written as treatises to the earlier schools of philosophical thoughts.’
    • ‘He wrote several theological treatises, which appeared after his death.’
    • ‘Aristotle wrote two ethical treatises: the Nicomachean Ethics and the Eudemian Ethics.’
    • ‘We have commented above on the disputes among modern scholars as to whether Aristotle wrote the treatises now assigned to him.’
    • ‘This difficult concept was in its own time the subject of many theoretical treatises, few of which agree in detail.’
    • ‘Learned scholars write massive treatises on contract changes, a testament to this general sense of ambiguity.’
    • ‘In all he wrote about ten treatises on astronomy.’
    • ‘He also wrote treatises on the Theology of Plato, On Providence, and On the Subsistence of Evil.’
    • ‘You wrote a treatise on John Cage - how does this activity fit into those ideas?’
    • ‘He is famed as the first person to write a Sanskrit treatise on the astrolabe.’
    • ‘I want to write a treatise on democracy and the difference between what exists and what the intent of the idea was.’
    • ‘He wrote several intellectual treatises that are admired even today.’
    • ‘He developed his interest in mechanics, writing treatises on his inventions which he circulated in manuscript.’
    • ‘Let us first comment on the three volume work, which was the biggest treatise ever to be written on line geometry.’
    • ‘The book is composed of four separate treatises, each dealing with a particular class of numbers.’
    disquisition, essay, paper, work, piece of writing, exposition, discourse, dissertation, thesis, monograph, study, critique
    View synonyms


Late Middle English: from Anglo-Norman French tretis, from Old French traitier (see treat).