English Reference
adverb

truly

adv.
US /ˈtɹuɫi/ UK /tɹˈuːli/ tru·ly

  1. 01 B1 Intermediate

    used to show that you are being honest about your feelings or opinions.

    used to emphasize the sincerity or genuineness of a statement, feeling, or belief.

    Simple

    I am truly sorry for the mistake I made yesterday.

    In context

    She was truly moved by the kindness of the local community during her recovery from the accident.

    Usage

    Often placed before an adjective or a verb to emphasize the speaker's sincerity.

    insincerelyfalsely
  2. 02 B2 Upper Intermediate

    in a way that is true or matches the facts.

    in accordance with truth or fact; used to confirm the reality of a situation.

    Simple

    It is hard to know what truly happened without any witnesses.

    In context

    The documentary attempts to show how the explorers truly lived during their long winter in the Arctic.

    Usage

    Frequently used in questions or negative statements to challenge or confirm facts.

  3. 03 B2 Upper Intermediate Formal

    used to emphasize a quality, meaning 'very' or 'extremely'.

    used as an intensifier to emphasize the degree of a quality or state.

    Simple

    The view from the top of the mountain was truly beautiful.

    In context

    The architect's latest design is a truly remarkable achievement in sustainable urban planning.

    Teacher's tip

    While 'truly' is common in writing, 'really' is much more frequent in everyday spoken English for this sense.

When they talk to Putin about European values, he truly laughs out loud.

BBC News· 13 Aug 2026

However our mothers behave, the fact is we will never truly know them.

The Guardian· 11 Aug 2026

From Middle English truely, treuly, treuli, trewely, treoweliche, treowliche, from Old English trēowlīċe (“faithfully; truly”), equivalent to true + -ly. Cognate with Dutch trouwelijk, Middle Low German truwlike, German treulich, Swedish trolig, Icelandic trygglega.

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

This entry
Origin Old English trēowlīċe
Level B2 · Upper Intermediate
Frequency Very common
Updated