► 副詞
何時までも [(1)いつまでも] meaning: forever rank: 2
☆ 二人は何時までも幸せに暮らしました ⇨ The two lived happily ever after
☆ 何時までもお元気で ⇨ I wish you be well for good
☆ 彼のことは何時までも忘れない ⇨ I will never forget about him
► 名詞
永遠 [えいえん] [liter] meaning: forever rank: 2
☆ 二人は永遠の愛を誓った ⇨ The two vowed eternal love
永久 [えいきゅう] [liter] meaning: forever rank: 3
☆ 世界史に永久に残る事件 ⇨ An incident that will forever be recorded on the world history (☛ Especially never die, decline, disappear, etc.)
☆ 巨人の背番号一番と三番は永久欠番になっている ⇨ The jersey numbers 1 and 3 of the Giants are permanently retired (☛ Especially never die, decline, disappear, etc.)
永久 [(1)とわ] [liter] meaning: forever rank: 4
☆ 永久の別れ ⇨ An eternal farewell
► 形容動詞
不朽 [ふきゅう] [liter] meaning: forever rank: 3
☆ 不朽の名作 ⇨ An eternal masterpiece that never goes out of style (☛ Literally means “never rot”)