English Reference

Word

sherlock

Phoneticssher·lock

/ˈʃɝˌɫɑk/

Definitions

01sarcastic address

B2

n. a name you call someone who has just said something very obvious.

n. a sarcastic vocative used to address an individual who has stated a self-evident fact or reached an obvious conclusion.

“"The sun is really bright today." "No kidding, Sherlock."”

“After he pointed out that the car wouldn't start because it was out of petrol, his sister simply replied, "Great work, Sherlock."”

Humorous · Informal

Usage

Usually used as a standalone exclamation or at the end of a sentence.

Teaching tip

This is almost always sarcastic; learners should be careful not to use it in formal or polite company as it can sound rude.

Synonyms

02to deduce or figure out

C1

v. to figure something out by looking at clues, like a detective.

v. to deduce or investigate a matter through logical reasoning or close observation.

“Give me a minute to sherlock the situation before we make a decision.”

“The investigators spent the afternoon trying to sherlock how the data breach had occurred despite the updated firewall.”

Informal · Humorous

Usage

Often used transitively with a situation or problem as the object.

03to obsolete third-party software

C2 · Computing

v. when a large company adds a new feature to their system that makes a smaller company's app unnecessary.

v. to render a third-party application or feature obsolete by incorporating similar functionality directly into an operating system or first-party suite.

“The small startup was worried that the tech giant would sherlock their main feature in the next update.”

“Developers often live in fear that their niche utility will be sherlocked by the next OS release, effectively destroying their business model overnight.”

Slang · Technical

Usage

Commonly used in the passive voice within the software development community.

Teaching tip

This term originated from Apple's 'Sherlock' search tool which replaced a third-party app called Watson.

Real-World Examples

“Today, however, visitors can tour the Sherlock Holmes Museum—located at a now very real 221B Baker Street—as though Holmes really lived there.”
Phys.org · 17 Sept 2026

Domain

Computing

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated

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