Is AI Changing What Words We Use

Oxford University
Oxford UniversityApr 17, 2026

Why It Matters

AI‑driven shifts in word choice affect brand voice, credibility assessments, and content strategy, making media literacy essential for businesses.

Key Takeaways

  • LLMs favor polished words like "delve," "nuance," "navigate."
  • Human writers increasingly adopt those AI‑favored terms in writing.
  • Causal link between AI exposure and word choice remains unproven
  • Experts warn AI may homogenize language diversity across media
  • Media literacy, not word spotting, is key to authenticity

Summary

The video examines whether large‑language models are reshaping everyday English, focusing on a handful of “AI‑buzz” words such as “delve,” “nuance” and “navigate.”

Researchers confirm LLMs use these polished terms disproportionately, and recent corpora show a parallel rise in human writers’ frequency. However, establishing a direct causal link between exposure to AI‑generated text and the shift remains methodologically difficult.

Marina Adami, a Reuters Institute journalist, cites experts warning that the trend could lead to linguistic homogenization, while many journalists now second‑guess their own diction and punctuation to avoid sounding AI‑generated.

The broader takeaway is that businesses and media outlets should prioritize media‑literacy skills—tracing source credibility—rather than policing specific words, as language evolution has historically accompanied technological change.

Original Description

Is the rise of AI chatbots actually changing what words we use? There's been speculation that certain polished sounding words like 'delve' or 'navigate' have seen an uptick in use by real people due to their prevalence in AI-generated text.
Marina Adami, a journalist from the Reuters Institute, investigates.
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