English Reference
adverb

loosely

adv.
US /ˈɫusɫi/ UK /lˈuːsli/ loose·ly

  1. 01 B2 Upper Intermediate

    in a way that is not firm or tight.

    in a manner that lacks physical tension or firm attachment.

    Simple

    She tied the scarf loosely around her neck so it wouldn't feel too hot.

    In context

    The cables were hung loosely between the two towers to allow for thermal expansion during the peak of summer.

    Usage

    Usually modifies a verb describing how something is attached or held.

    slacklyfreely
  2. 02 B2 Upper Intermediate

    in a way that is not exact or strictly accurate.

    indicating a lack of strict precision or a general approximation in description or classification.

    Simple

    The film is loosely based on a true story from the 1920s.

    In context

    The term is used loosely by the general public to describe any flying insect, though biologists apply it to a specific family.

    Usage

    Commonly used with the past participle 'based' or to modify verbs of speaking and defining.

  3. 03 C1 Advanced Formal

    you use this when you are giving a general idea but your words are not perfectly correct.

    used as a sentence adverbial to indicate that the following statement is an approximation or uses non-technical language.

    Simple

    Loosely speaking, a tomato is a vegetable in the kitchen, even if it is a fruit to a scientist.

    In context

    Loosely, the project can be categorised as a success, though several key performance indicators were not fully met.

    Usage

    Often appears at the beginning of a sentence followed by 'speaking'.

    broadly speakingroughly

The 2015 film Being Charlie, which Nick wrote and Rob directed, was loosely based on Nick’s life.

The Guardian· 28 Aug 2026

First, I steep about a quart of terrifically strong hot tea and pour it into a pitcher loosely filled with ice cubes straight from the freezer.

The Conversation· 24 Aug 2026

From Middle English lously; equivalent to loose + -ly.

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

This entry
Origin Middle English lously
Level B2 · Upper Intermediate
Frequency Frequent
Updated