永えい久きゅう不ふ変へんConjugationsMeaningsNounNa-adjectiveNo-adjective1. permanence; forever unchanging (Yojijukugo)Kanji used永eternity久long time不negative変changeComposed of永えい久きゅうeternity; permanence; perpetuityNoun不ふ変へんeternal; everlasting; unchangeable; immutable; immovable; constant; permanent; indestructible; invariantNa-adjective