The following answers for “Fundamental” reflect actual crossword solutions. They’ve worked for this clue before and were verified through puzzle completions using matching phrasing.
Answers:
- STAPLE
- BASIC
- RUDIMENTARY
- ELEMENTAL
- RADICAL
- ORGANIC
- PRIMAL
- BASAL
- CORE
- CENTRAL
- KEY
- MAJOR
- VITAL
- PRIMITIVE
- INTEGRAL
- CARDINAL
- PRIME
- UNDERLYING
- KEYNOTE
- PRIMARY
Synonyms and Definitions
STAPLE
- Synonyms: basic, raw material, staple fiber, staple fibre
BASIC
- Synonyms: canonic, canonical, introductory, staple
- Definition: A widely recognized programming language that is comparatively simple to grasp, abbreviated as beginners all-purpose symbolic instruction code. Its no longer commonly used.
RUDIMENTARY
- Synonyms: underlying, vestigial
ELEMENTAL
- Synonyms: elementary, primary
RADICAL
- Synonyms: basal, base, chemical group, extremist, free radical, group, revolutionary, root, root word, stem, theme, ultra
ORGANIC
- Synonyms: constituent, constitutional, constitutive, organic fertiliser, organic fertilizer
PRIMAL
- Synonyms: aboriginal, cardinal, central, key, primaeval, primeval, primordial
BASAL
- Synonyms: radical
CORE
- Synonyms: burden, center, centre, congress of racial equality, core group, effect, essence, gist, heart, heart and soul, inwardness, kernel, magnetic core, marrow, meat, nitty-gritty, nub, nucleus, pith, substance, sum
CENTRAL
- Synonyms: exchange, primal, telephone exchange
KEY
- Synonyms: cay, describe, discover, distinguish, florida key, headstone, identify, key fruit, key out, keystone, name, paint, samara, tonality, winder
VITAL
- Synonyms: critical, full of life, life-sustaining, lively
PRIMITIVE
- Synonyms: archaic, crude, naive, primitive person, rude
INTEGRAL
- Synonyms: built-in, entire, inbuilt, inherent, intact
CARDINAL
- Synonyms: cardinal grosbeak, cardinal number, cardinalis cardinalis, carmine, redbird
PRIME
- Synonyms: bloom, blossom, choice, efflorescence, flower, flush, ground, heyday, meridian, peak, premier, prime of life, prime quantity, prize, quality, select, undercoat
UNDERLYING
- Synonyms: implicit in, rudimentary, underlie
KEYNOTE
- Synonyms: tonic
PRIMARY
- Synonyms: chief, elemental, main, master, primary coil, primary election, primary feather, primary quill, primary winding, principal