Read along with the three podcasts, or open the full dictionary entry for A blot on for the definition, Arabic meaning, synonyms and example sentences.
Narrator: Today's entry is "a blot on" — a noun phrase, pronounced /ə blɒt ɒn/, with the stress on "blot".
Narrator: a blot on something means a flaw or disgrace damaging an otherwise clean reputation or record.
Narrator: In plain English, this phrase describes one bad mark spoiling something generally good or respected.
Narrator: It borrows "blot", an ink stain, from Middle English, later softened into a figurative flaw.
Narrator: "A blot on his record" figuratively describes one serious mistake damaging an otherwise strong history.
Narrator: It differs from "mistake" by permanence — a blot implies a lasting mark, not easily removed.
Narrator: "A blot on the landscape" figuratively describes an ugly building spoiling an otherwise pleasant view.
Narrator: It works well describing scandals, ugly developments, or single failures within a strong record.
Narrator: So remember: a blot on marks lasting damage — one flaw spoiling an otherwise clean reputation.
Speaker A: "A blot on the landscape" and "a blot on his record" both use "blot", but one's visual and one's reputational.
Speaker B: A genuinely fitting shared image! A BLOT ON borrows "blot", an ink stain, from Middle English, later softened figuratively. An ugly building visually stains a landscape; a scandal figuratively stains a reputation — same idea, different canvas.
Speaker A: So both senses really do share that identical image of one mark spoiling an otherwise clean surface?
Speaker B: Exactly — that shared staining image is precisely why blot works so naturally for both!
Speaker A: Example sentences?
Speaker B: "The scandal was a blot on his career"; "the factory is a blot on the countryside"; "it remained a blot on the company's history" — career damage, visual eyesore, and corporate scandal.
Speaker A: Common mistakes?
Speaker B: Always followed by "on" plus the target — "a blot on the landscape", never left without that target!
Speaker A: Close relatives?
Speaker B: "Stain" the near-identical cousin, "eyesore" the visual-specific twin, "disgrace" the reputation-focused alternative. A blot on keeps its lasting, damaging charm!
Speaker B: Let's use "a blot on" in AI prompts — useful for flagging a single flaw in an otherwise strong codebase or design.
Speaker A: So a blot on in a prompt could flag one specific flaw worth fixing in an otherwise solid system?
Speaker B: Right. For a code-review summary, you'd write:
Prompt: This one hardcoded API key is a blot on an otherwise clean codebase — flag it and suggest a secure alternative.
Speaker A: Good — what about a UI-audit report on an otherwise polished design?
Speaker B: The design-review prompt:
Prompt: This inconsistent button style is a blot on an otherwise polished design system — align it with the rest immediately.
Speaker A: A performance report flagging one slow endpoint?
Speaker B: The performance prompt:
Prompt: This one slow endpoint is a blot on our otherwise fast API — profile it and suggest a specific optimisation.
Speaker A: One more?
Speaker B: The changelog prompt:
Prompt: Note that this regression was a blot on an otherwise smooth release, and explain the fix clearly in the changelog.
Speaker A: A blot on always signals one flaw worth isolating and fixing directly.
Speaker B: Exactly — say a blot on, and the AI targets that flaw precisely.
A blot on — meaning in Arabic & definition More A courses GL Dictionary