English Reference
adverb

greatly

adv.
US /ˈɡɹeɪtɫi/ UK /ɡɹˈeɪtli/ great·ly

  1. 01 B2 Upper Intermediate

    to a very large degree or extent.

    to a considerable extent or degree; used as an intensifier for verbs and participles.

    Simple

    The new laws will greatly improve the safety of workers in the factory.

    In context

    The success of the local initiative was greatly enhanced by the unexpected support of several international non-governmental organisations.

    Usage

    Typically placed before the verb it modifies or before a past participle acting as an adjective.

    Pitfall
    I greatly like this book. I like this book very much.

    While 'greatly' is an intensifier, it sounds more natural with verbs like 'admire', 'appreciate', or 'improve' than with 'like'.

  2. 02 C2 Proficiency ArchaicLiterary

    in a noble or brave way.

    in a noble, magnanimous, or high-minded manner.

    Simple

    The knight behaved greatly even when he was facing defeat.

    In context

    He bore his exile greatly, never once stooping to bitter recriminations against those who had betrayed his trust.

    Teacher's tip

    This sense is rare in modern English; learners will mostly encounter it in historical literature or poetry.

    noblymagnanimously
    meanly

Usage greatly add · greatly affect · greatly benefit

Waiting times for donated hearts can vary greatly - from eight months to four-and-a-half years - depending on the hospital.

BBC News· 13 Aug 2026

More than three million people in the UK work night shifts, which can greatly impact their health.

BBC News· 19 Jul 2026

From Middle English gretly, gretely, gretliche, greteliche, equivalent to great + -ly.

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

This entry
Origin Middle English gretly
Level B2 · Upper Intermediate
Frequency Common
Updated