English Reference
adjective

elementary

adj.
US /ˌɛɫəˈmɛntɝɹi/ UK /ˌɛlɪmˈɛntəɹi/ el·e·men·tary

  1. 01 B1 Intermediate

    relating to the most basic or important parts of a subject.

    pertaining to the fundamental or essential aspects of a system or field of study.

    Simple

    The course covers the elementary principles of economics for new students.

    In context

    A thorough understanding of these elementary concepts is vital before moving on to the more nuanced theories of quantum mechanics.

  2. 02 B2 Upper Intermediate

    very easy to do or understand.

    straightforward and requiring only basic skills or knowledge to resolve.

    Simple

    The mistake was so elementary that even a beginner would have noticed it.

    In context

    The detective dismissed the clue as an elementary attempt to mislead the investigation, noting its lack of sophistication.

  3. 03 B1 Intermediate American English

    relating to the first years of a child's education.

    pertaining to the initial stages of formal education, typically for children between the ages of five and eleven.

    Simple

    She has been an elementary school teacher for over twenty years.

    In context

    The district is proposing a significant increase in funding for elementary education to reduce average class sizes in the early grades.

  4. 04 C1 Advanced Technical Science

    describing the simplest parts of matter that cannot be broken down further.

    relating to or being an irreducible constituent of a physical system, such as a chemical element or a subatomic particle.

    Simple

    An electron is an elementary particle because it is not made of smaller parts.

    In context

    The laboratory focuses on the interactions between elementary particles, seeking to understand the forces that govern the subatomic world.

Usage elementary school

Iowa, for example, passed a law that limited digital instruction for elementary students.

The Conversation· 30 Jul 2026

Children ages 6-11, in the early elementary years, are still developing socially.

The Conversation· 6 Jul 2026

From Middle English elementare, from Latin elementārius (“elementary”), from elementum (“one of the four elements of antiquity; fundamentals”) + -ārius (adjective-forming suffix). Cognate with French élémentaire. By surface analysis, element + -ary.

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

This entry
Origin Latin elementārius
Level B2 · Upper Intermediate
Frequency Common
Updated