ELEMENTARY

elementary, simple, uncomplicated, unproblematic

(adjective) easy and not involved or complicated; “an elementary problem in statistics”; “elementary, my dear Watson”; “a simple game”; “found an uncomplicated solution to the problem”

elementary, elemental, primary, basal

(adjective) of or being the essential or basic part; “an elementary need for love and nurturing”; “a basal reader”

elementary

(adjective) of or pertaining to or characteristic of elementary school or elementary education; “the elementary grades”; “elementary teachers”

Source: WordNet® 3.1

Etymology

Adjective

elementary (comparative more elementary, superlative most elementary)

Relating to the basic, essential or fundamental part of something.

Relating to an elementary school.

(physics) Relating to a subatomic particle.

(archaic) Sublunary; not celestial; belonging to the sublunary sphere, to which the four classical elements (earth, air, fire and water) were confined; composed of or pertaining to these four elements.

Noun

elementary (plural elementaries)

An elementary school

(mythology, mysticism) A supernatural being which is associated with the elements.

Source: Wiktionary

El`e*men"ta*ry, a. Etym: [L. elementarius: cf. F. élémentaire.]

1. Having only one principle or constituent part; consisting of a single element; simple; uncompounded; as, an elementary substance.

2. Pertaining to, or treating of, the elements, rudiments, or first principles of anything; initial; rudimental; introductory; as, an elementary treatise.

3. Pertaining to one of the four elements, air, water, earth, fire. "Some luminous and fiery impressions in the elementary region." J. Spencer.

Source: Webster’s Unabridged Dictionary 1913 Edition