English Reference
adjective

profound

adj.
US /pɹoʊˈfaʊnd/ UK /pɹəfˈaʊnd/ pro·found UK spelling profounds

  1. 01 B2 Upper Intermediate

    used to describe a very strong feeling or effect.

    characterised by great intensity or emotional depth; pervading.

    Simple

    The death of his grandfather had a profound effect on his childhood.

    In context

    The sudden economic shift had a profound impact on the local community, altering the social fabric for generations to come.

  2. 02 C1 Advanced Academic

    showing great knowledge or understanding of a difficult subject.

    requiring or exhibiting deep intellectual insight; reaching the core of a complex matter.

    Simple

    The professor offered a profound explanation of the poem's meaning.

    In context

    His latest book provides a profound analysis of the relationship between language and thought in early childhood development.

  3. 03 C1 Advanced Formal

    used to describe something that is complete or absolute, like silence or a medical condition.

    absolute or reaching to the furthest extent; often used to describe sensory deprivation or medical states.

    Simple

    A profound silence fell over the room after she finished speaking.

    In context

    The patient suffered from profound deafness in both ears following the infection.

  4. 04 C2 Proficiency Literary

    reaching far down below the surface.

    extending to a great depth physically; situated far below the surface.

    Simple

    The divers explored the profound depths of the ocean trench.

    In context

    The explorers stared into the profound darkness of the cavern, unable to see where the floor began.

Usage profound toll · profound consequences · profound implications

His fascination with serial killers is underpinned, he says, by a profound sympathy with their victims.

The Guardian· 15 Aug 2026

The fact is, hormones can shape our lives in profound ways.

The Guardian· 12 Aug 2026

From Middle English profound, profounde, from Anglo-Norman profound, from Old French profont, profonde, from Latin profundus (“deep, profound”), from prō + fundus (“bottom; foundation”).

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

This entry
Origin Latin profundus
Level C1 · Advanced
Frequency Frequent
Updated