Definition of proponent in US English:

proponent

noun

  • A person who advocates a theory, proposal, or project.

    ‘a collection of essays by both critics and proponents of graphology’
    • ‘It is still too early to know who might join the proponents by filing a friend of the Court amicus brief.’
    • ‘He took on proponents of women's equality by arguing that woman is not man's equal but his complement.’
    • ‘Firstly, the foundations on which it rests are not as secure as some of its proponents would have us believe.’
    • ‘As soon as proponents demonstrate that one concern is misplaced their opponents come up with another one.’
    • ‘This may come as a surprise to both proponents and critics of Sweden's high-tax society.’
    • ‘First, proponents want us to believe that it will affect only a small number of people.’
    • ‘This much would be accepted by most, if not all, proponents of coherence theories.’
    • ‘Of course slavery and its proponents represent utter evil in the novel.’
    • ‘That is what the supporters and proponents of the bill require, and it needs to proceed.’
    • ‘It is the recognition of this that has further compelled the proponents of cosmopolitan democracy to set out their case.’
    • ‘This is something that the proponents of ‘strong’ copyright would dearly love to stamp out.’
    • ‘Its proponents claim it's a difficult but liberating discipline, which can take years to learn.’
    • ‘These three lines of legal argument are generally linked by their proponents in human rights advocacy.’
    • ‘But they were sceptical of the promises made by the proponents of the technology.’
    • ‘Its proponents believe that if you throw enough muck some of it will stick.’
    • ‘He is of course one of the chief proponents of the libertarian view.’
    • ‘As long as there are strong proponents of each protocol, there is a market for both.’
    • ‘As both critics and proponents of devolution have pointed out, devolution is a process not an event.’
    • ‘The most obvious lesson of course applies to proponents of biological control.’
    • ‘What's more, privatization proponents ignore the fact that bear markets can last a long time.’
    advocate, supporter, upholder, exponent, promoter, adherent, endorser, champion, defender, backer, subscriber, patron, espouser, friend, apostle, apologist, pleader, proposer, propounder, spokesperson, spokesman, spokeswoman
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Origin

Late 16th century: from Latin proponent- ‘putting forth’, from the verb proponere (see propound).

Pronunciation

proponent

/prəˈpoʊnənt//prəˈpōnənt/