Definition of expatiate in English:



[NO OBJECT]expatiate on
  • Speak or write in detail about.

    ‘she expatiated on working-class novelists’
    • ‘He tried to ridicule his adversary by broadly expatiating upon his clothing and appearance which, it seems, did not meet with the standard set by London outfitters.’
    • ‘Two other leaders expatiated on the importance of these customary rites and the fact that the deceased was the last of his kind - the great warrior-killer.’
    • ‘The commentator adopts this persona to expatiate on a variety of topics.’
    • ‘It is much more explicitly present in a variety of passages such as the one in which Richard expatiates about the death of kings in characteristically allegorical terms.’
    • ‘This was almost achieved when the two actors expatiated on the subjects of life, love and potato chips.’
    • ‘Lee also expatiates at length on his class's visits to Roman sites.’
    • ‘Anyone who constantly kvetches about the evils of the right-wing in a completely unrelated tangent while expatiating about a French philosopher must be reconsidered.’
    • ‘In a famous passage in chapter 42 David expatiates on the leading principles of his working life.’
    • ‘I now expect to be booked on cable TV to expatiate on my brilliant findings without interruption.’
    • ‘The tramway passed alongside vineyards, an itinerary inciting Simon to expatiate on harvesting grapes.’
    • ‘He has just been expatiating on the difference between Renaissance and Romantic angst.’
    • ‘Similarly, when neoconservative ideologues speak of needing to rebuild an embattled US hegemony and legitimacy, they aren't impotently expatiating.’
    • ‘Tom is a professional hockey player and ballet lover, pursuits on whose alleged similarities he vacuously expatiates.’
    • ‘Let me start by expatiating on the torture that was our football game.’
    • ‘He also expatiates on ‘mind’ and its relation to French words such as esprit, intellect, entendement, raison, avis, even sentiment and âme.’
    • ‘I took my seat on the floor in front of the table where he was expatiating on the tendency of contemporary poems to be self-conscious about being poems.’
    • ‘Every week my jaw dropped lower as she expatiated on the mystic ramifications of this.’
    • ‘The editor-in-chief was even inspired to expatiate at length on how it just goes to show how predictably liberal the competition is these days.’
    • ‘He goes on to expatiate on Queen Victoria's instructions to the governor-general and suggests that they are somehow relevant to the present debate.’
    • ‘The author has a book out about ‘The Dark Side of Democracy’ in which he expatiates on precisely these themes.’
    hold forth about, speak at length about, write at length about, pontificate about, discourse on, expound, go into detail about, go on about, dwell on
    View synonyms


Mid 16th century (in the sense ‘roam freely’): from Latin exspatiari ‘move beyond one's usual bounds’, from ex- ‘out, from’ + spatiari ‘to walk’ (from spatium ‘space’).