英和和英

別の表記

• yea-sayer

語源

From yeasay +‎ -er. By analogy with naysayer. First use appears c. 1584.

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

   Antonyms: naysayer, nay-sayer

   • 2025 June 14, Melissa Heikkilä, “AI leaders rein in ‘sycophantic’ chatbots that flatter users”, in FT Weekend (Companies & Markets section), London: The Financial Times Ltd., →ISSN, →OCLC, 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.

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