English Reference
adjective · noun

identical

adj. · n.
US /aɪˈdɛntɪkəɫ/ UK /aɪdˈɛntɪkəl/ iden·ti·cal

  1. 01 B2 Upper Intermediate

    adj.exactly the same in every way, so that you cannot see any difference.

    adj.bearing full likeness by having precisely the same set of characteristics; indistinguishable and non-gradable.

    Simple

    The two sisters wore identical dresses to the party.

    In context

    The laboratory results were identical to the findings from the previous study, confirming that the initial hypothesis was correct.

    Pitfall
    The two cars are identical to each other. The two cars are identical.

    While you can say 'A is identical to B', when describing two things together, simply say they are 'identical' without 'to each other'.

  2. 02 C1 Advanced AcademicFormal Philosophy

    adj.being the exact same person or thing, not just a similar one.

    adj.referring to the selfsame entity; numerically identical rather than merely qualitatively similar.

    Simple

    This is the identical spot where we met ten years ago.

    In context

    The witness claimed it was the identical vehicle he had seen fleeing the scene, noting a specific scratch on the rear bumper.

    selfsamevery
  3. 03 B2 Upper Intermediate Biology

    adj.describing twins who developed from the same egg and look exactly the same.

    adj.of twins, developed from a single fertilised ovum and therefore sharing the same genetic code.

    Simple

    Identical twins often have very similar personalities as well as looks.

    In context

    The study focused on identical twins raised apart to determine the relative influence of genetics and environment on cognitive development.

    monozygotic
  4. 04 C1 Advanced Informal

    n.one of two twins who look exactly the same.

    n.an individual who is an identical twin.

    Simple

    She is an identical, so people often mistake her for her sister.

    In context

    As an identical, he grew accustomed to teachers calling him by his brother's name throughout primary school.

Usage concurrent identical · identical to · virtually identical

Then came a solution using five identical 120-sided dice.

Phys.org· 17 Aug 2026

Even though Maresca was Guardiola’s assistant at City in 2022-23, and his football is Guardiola-inspired, it is not identical, not least because Guardiola was always evolving.

The Guardian· 17 Aug 2026

From identic + -al.

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

This entry
Level B2 · Upper Intermediate
Frequency Common
Updated