English Reference
verb · noun

probe

v. · n.
US /ˈpɹoʊb/ UK /pɹˈəʊb/ probe UK spelling probed, probes

  1. 01 B2 Upper Intermediate

    v.to ask questions or search for information to find out the truth about something.

    v.to conduct a thorough investigation or to search into something closely.

    Simple

    The reporter began to probe into the company's secret financial records.

    In context

    The committee was tasked to probe the allegations of corruption within the department, leaving no stone unturned in their search for evidence.

  2. 02 B2 Upper Intermediate

    v.to touch or move something with a tool or your hands to see what is inside.

    v.to explore or examine a physical space or object by poking or searching with an instrument.

    Simple

    The doctor used a small tool to probe the wound for any glass.

    In context

    The archaeologist carefully used a brush and a small metal pick to probe the soil around the delicate pottery fragments.

  3. 03 C1 Advanced Formal

    n.a long and careful search for the truth about something, like a crime or a problem.

    n.a thorough and often official inquiry or investigation into a matter.

    Simple

    The police launched a probe into the cause of the mysterious fire.

    In context

    Following the market crash, the government initiated a high-level probe to determine if any regulatory failures had occurred.

  4. 04 B2 Upper Intermediate Science

    n.a small spacecraft without people that is sent into space to collect information.

    n.an uncrewed exploratory spacecraft designed to transmit chemical or physical data from outer space.

    Simple

    The space probe sent back amazing photos of the surface of Mars.

    In context

    The robotic probe successfully entered the planet's atmosphere, deploying sensors to measure the chemical composition of the gas clouds.

  5. 05 C1 Advanced Technical Medicine

    n.a thin tool used by doctors or scientists to look inside something or measure it.

    n.a slender instrument used for exploring a cavity, wound, or for measuring physical properties at a specific point.

    Simple

    The dentist used a metal probe to check for cavities in my teeth.

    In context

    The surgeon used a sterile probe to determine the depth of the incision before proceeding with the delicate operation.

    Usage

    In medical contexts, it often refers to a blunt-ended surgical instrument.

Members of the US Congress have called for a probe into conditions amid reports of sailors attempting to jump ship.

Al Jazeera· 14 Aug 2026

This gave them a measurable signal to work with and a way to probe how the effect could be controlled.

Phys.org· 16 Aug 2026

For verb: borrowed from Latin probare (“to test, examine, prove”), from probus (“good”). Doublet of prove. For noun: borrowed from Late Latin proba (“a proof”), from probare (“to test, examine, prove”); Doublet of proof. Compare Spanish tienta (“a surgeon's probe”), from tentar (“try, test”); see tempt.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin la-lat proba
Level C1 · Advanced
Frequency Frequent
Updated