自発的(じはつてき) じはつてき na-adjective spontaneous; voluntary descriptive 1. spontaneous; voluntary Acting of one's own initiative without being prompted, ordered, or forced by others. 自発的(じはつてき)に参加(さんか)する。🔊 To participate voluntarily. 社員(しゃいん)の自発的(じはつてき)な行動(こうどう)を促(うなが)す。🔊 To encourage spontaneous action from employees. 自発的(じはつてき)な学習(がくしゅう)が大切(たいせつ)だ。🔊 Self-motivated learning is important. FormsAdverbial: 自発的(じはつてき)に (voluntarily, spontaneously)Etymology自発(じはつ) (spontaneity) + 的(てき) (adjectival suffix)Common collocations自発的(じはつてき)な参加(さんか): voluntary participation自発的(じはつてき)な行動(こうどう): spontaneous action自発的(じはつてき)な意志(いし): voluntary willUsageEmphasizes acting without external pressure or compulsion. Valued in contexts like education and workplace culture.Similar words強制的(きょうせいてき): compulsory, forced (opposite)自主的(じしゅてき): self-directed (similar, emphasizes independence) Related Words Antonym: 強制的(きょうせいてき) (compulsory) Synonym: 自主的(じしゅてき) (self-directed) Compare: 自然(しぜん)に (naturally) general Added 2026.1.17 12:49 · Revised 2026.9.2 13:01 06000/06132_jihatsuteki