当たり前 (あたりまえ)natural; reasonable; obvious

natural; reasonable; obviousnouns which may take the genitive case particle 'no', adjectival nouns or quasi-adjectives (keiyodoshi)
usual; common; ordinarynouns which may take the genitive case particle 'no', adjectival nouns or quasi-adjectives (keiyodoshi)

当たり前, its kanji, and other words that share them.Open this graph

Kanji in 当たり前

当初とうしょbeginning; start
当局とうきょくauthorities; relevant authorities
当時とうじat that time; in those days
当選とうせんbeing elected
当面とうめんcurrent; urgent
担当たんとうbeing in charge (of an area of responsibility); being responsible (for a work role, etc.)
本当ほんとうtruth; reality
当然とうぜんnatural; right
前年ぜんねんthe preceding year; the previous year
午前ごぜんmorning; a.m.
前半ぜんはんfirst half
前回ぜんかいprevious time; last time
前提ぜんていcondition; assumption
前日ぜんじつprevious day; day before
名前なまえname
直前ちょくぜんjust before

See how 当たり前 connects to the rest of Japanese.