C017¶


Research	R0028 — Prompt Engineering Claims
Run	2026-03-26
Claim	C017

Claim: The word "run" has 645 definitions in the Oxford English Dictionary.

BLUF: Confirmed. The OED revised entry for 'run' (2011) contains 645 senses for the verb form alone, making it the English word with the most meanings. Peter Gilliver, an OED lexicographer, spent nine months documenting its meanings.

Probability: Almost certain (95-99%) | Confidence: High

Summary¶

Entity	Description
Claim Definition	Claim text, scope, status
Assessment	Full analytical product with reasoning chain
ACH Matrix	Evidence x hypotheses diagnosticity analysis
Self-Audit	ROBIS-adapted 4-domain process audit

Hypotheses¶

ID	Hypothesis	Status
H1	Claim is accurate — 645 definitions confirmed	Supported
H2	Partially correct — the count may have since changed	Inconclusive
H3	Claim is materially wrong	Eliminated

Searches¶

ID	Target	Results	Selected
S01	Primary search	10	3

Sources¶

Source	Description	Reliability	Relevance
SRC01	NPR and OED documentation	High	High