English Reference
adverb

essentially

adv.
US /ɛˈsɛnʃəɫi/ UK /ɪsˈɛnʃəlˌi/ es·sen·tial·ly

  1. 01 B2 Upper Intermediate

    basically; used when you are describing the most important part of something.

    fundamentally or inherently; used to highlight the core characteristic of a thing or situation despite superficial details.

    Simple

    The two mobile phones are essentially the same, though they look different.

    In context

    While the two political proposals differ in their specific wording, they are essentially advocating for the same structural reforms to the tax system.

    Usage

    Often functions as a sentence adverb or modifies an adjective to simplify a comparison.

    Teacher's tip

    Learners often over-use 'basically' in formal writing; 'essentially' is a more sophisticated alternative for academic or professional contexts.

Usage essentially consist

You’re in your own clothes, already sweating, and then on top of that you have to essentially put on full PPE,” she says.

The Guardian· 14 Aug 2026

Aviv writes, not entirely comfortably, of how she is essentially living out her own mother’s dream career.

The Guardian· 11 Aug 2026

From essential + -ly.

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

This entry
Level B2 · Upper Intermediate
Frequency Common
Updated