English Reference
adverb

firmly

adv.
US /ˈfɝmɫi/ UK /fˈɜːmli/ firm·ly

  1. 01 B1 Intermediate

    in a way that is strong and unlikely to move or break.

    with physical stability or strength; securely fixed in place.

    Simple

    Make sure the lid is closed firmly so the paint doesn't dry out.

    In context

    The structural beams were bolted firmly to the concrete foundation to ensure the building could withstand high winds.

    Usage

    Usually follows the verb or the direct object.

  2. 02 B2 Upper Intermediate

    in a way that shows you are certain about something and will not change your mind.

    with resolute intent or unwavering conviction; used for speech or beliefs.

    Simple

    She firmly believes that everyone deserves a second chance.

    In context

    The director firmly rejected the proposal, stating that it did not align with the company's long-term strategic goals.

    Usage

    Often placed before the verb it modifies when expressing a belief or opinion.

    hesitantlyuncertainly

Usage firmly establish

How firmly they are trapped depends on how the glass is prepared.

Phys.org· 16 Aug 2026

One of Gimon’s takeaways is that we’re firmly in the era of utility-scale solar, with batteries playing a supporting role.

Ars Technica· 15 Aug 2026

From Middle English fermely; equivalent to firm + -ly.

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

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