yeasayerとは 意味・読み方・使い方

別の表記

• yea-sayer

語源

Origin: 1915–1920, after naysayer, from yea + say +‎ -er, equivalent to yeasay +‎ -er. First recorded use: 1920.

発音

• (英国発音) IPA: /ˈjeɪˌseɪ.ə(ɹ)/
• (米国発音) IPA: /ˈjeɪˌseɪ.ɚ/
• ハイフネーション: yea‧say‧er

名詞

yeasayer (plural yeasayers)

1. One whose attitude is positive, optimistic, confidently affirmative.

   Synonyms: optimist, can-doer

2. (derogatory) One who habitually agrees uncritically.

   Synonyms: yes man, doormat, kowtower

   • 2025 June 14, Melissa Heikkilä, “AI leaders rein in ‘sycophantic’ chatbots that flatter users”, in FT Weekend, Companies & Markets, page 12:

     The “yeasayer effect” arises in AI models trained using reinforcement learning from human feedback (RLHF)—human “data labellers” rate the answer generated by the model as being either acceptable or not.

反意語

• naysayer, nay-sayer

関連する語

• yeasaying, yea-saying