絶後

ぜつご

(of a kind) never to be seen again

前後

まえしりえ ぜんご

front and rear, front and back, before and behind

空前

くうぜん

unprecedented, record-breaking

前後ろ

まえうしろ

front and back, before and behind, before and after

後ろ前

うしろまえ

backwards

事前後

じぜんご

subsequently, additionally

絶滅寸前

ぜつめつすんぜん

critical endangerment, verge of extinction

絶対真空

ぜったいしんくう

perfect vacuum, absolute vacuum

絶対空間

ぜったいくうかん

absolute space

前後関係

ぜんごかんけい

context (of a passage)

前後左右

ぜんごさゆう

in all directions

前後工程

ぜんごこうてい

to and fro process, back and forth process, cooperative process, collaborative process

前虎後狼

ぜんここうろう

one calamity followed close on the heels of another, out of the frying pan into the fire, tiger in front, wolf in the back

前後不覚

ぜんごふかく

unconsciousness, having no recollection of one's actions

前後撞着

ぜんごどうちゃく

self-contradiction, self-inconsistency

産前産後

さんぜんさんご

before and after childbirth

前後矛盾

ぜんごむじゅん

self-contradiction, self-inconsistency

後を絶たず

あとをたたず

never ceasing, never ending

名前空間

なまえくうかん

namespace