Basic

Noun

 * 1) A necessary commodity, a staple requirement.
 * 2) An elementary building block, e.g. a fundamental piece of knowledge.
 * 3)  basic training.

Adjective

 * 1) necessary, essential for life or some process.
 * 2) elementary, simple, fundamental, merely functional.
 * 3)  Of or pertaining to a base; antonym of acidic

Adverbs for Basic
scientifically; fundamentally; essentially; indispensably; admittedly; emphatically; prescriptively; usually; ordinarily; officially; obviously; palpably; conspicuously; explicitly; positively; definitely; unavoidably.

Synonyms for Basic
fundamental, principal, primary, indispensable, essential, vital.

Antonyms for Basic
extra, additional, secondary.

Thesaurus
aboriginal, acid, alkali, austere, bare, basal, basilar, bedrock, biochemical, bottom, capital, central, chaste, chemical, chemicobiological, chemicoengineering, chemicomineralogical, chemicophysical, chemurgic, chief, constituent, constitutive, copolymeric, copolymerous, crucial, dimeric, dimerous, electrochemical, element, elemental, elementary, embryonic, essential, focal, foundational, fundamental, generative, genetic, germinal, gut, heteromerous, homely, homespun, homogeneous, in embryo, in ovo, indispensable, indivisible, irreducible, isomerous, key, life-and-death, life-or-death, macrochemical, main, material, mere, metameric, monolithic, monomerous, nonacid, of a piece, of the essence, of vital importance, original, part and parcel, photochemical, physicochemical, phytochemical, plain, polymeric, pregnant, primal, primary, prime, primeval, primitive, primordial, principal, pristine, protogenic, pure, pure and simple, radical, radiochemical, root, rudiment, rudimentary, seminal, severe, simon-pure, simple, single, spare, stark, substantial, substantive, thermochemical, unadorned, uncluttered, underlying, undifferenced, undifferentiated, uniform, vital

Derived terms

 * basically