ENGLISH
REFERENCE

expressing

v. · adj.
US //ɪksˈpɹɛsɪŋ// UK //ɛkspɹˈɛsɪŋ// ex·press·ing
  1. 1 showing feelings or ideas (v.)
    B1 Intermediate

    showing what you think or feel using words, art, or your face.

    the act of communicating a thought, feeling, or idea through verbal or non-verbal means.

    Example

    She had trouble expressing her anger in a healthy way.

    Example

    Expressing complex philosophical ideas in simple language is a skill that many academics struggle to master during their early careers.

    Usage

    Often followed by a noun phrase or a 'that' clause.

    Teacher's tip

    Remind students that this is the '-ing' form of 'express'; it can be a continuous verb or a gerund (noun).

  2. 2 biology/genetics (adj.)
    C2 Proficiency Technical Science

    describing a gene that is active and doing its job in the body.

    relating to the process by which information from a gene is used in the synthesis of a functional gene product.

    Example

    The scientists studied the expressing genes to see how the medicine worked.

    Example

    The research team identified several expressing sequences that appeared to correlate with the plant's increased resistance to drought conditions.

    Usage

    Used as an attributive adjective before a noun like 'gene' or 'cell'.

    Teacher's tip

    This is a highly specialized sense used in genetics; general learners will likely never encounter it outside of academic science.

Last updated June 20, 2026