English Reference
adverb

mildly

adv.
US /ˈmaɪɫdɫi/ UK /mˈaɪldli/ mild·ly

  1. 01 B2 Upper Intermediate

    to a small degree; a little bit.

    to a moderate or slight degree; often used to soften a description or criticism.

    Simple

    I was mildly surprised when I heard the news, but I didn't shout.

    In context

    The critic described the performance as mildly entertaining, suggesting it lacked the depth required for a truly memorable theatrical experience.

  2. 02 B2 Upper Intermediate

    in a way that is not harsh, angry, or loud.

    in a gentle, kind, or temperate manner; without harshness or severity.

    Simple

    She spoke mildly to the child so he wouldn't feel scared.

    In context

    Despite the provocative nature of the questions, the professor responded mildly, maintaining a professional and calm atmosphere in the lecture hall.

  3. 03 C1 Advanced Informal

    a phrase used to say that something is actually much worse or more extreme than you are saying.

    a fixed idiomatic expression used as an understatement to imply that the reality is far more significant or severe.

    Simple

    The food was terrible; to put it mildly, I will not be going back.

    In context

    Calling the project a failure is putting it mildly, as the company lost millions and its entire reputation was tarnished by the scandal.

Photograph: Pamela Raith Aimed at an audience of over-14s, it has some mildly spicy lines.

The Guardian· 28 Aug 2026

From mild + -ly.

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

This entry
Level B2 · Upper Intermediate
Frequency Frequent
Updated