優劣の法則

ゆうれつのほうそく

(Mendel's) law of dominance

優劣つけがたい

ゆうれつつけがたい

it's hard to choose (because both are excellent)

優勝劣敗

ゆうしょうれっぱい

survival of the fittest

優るとも劣らぬ

まさるともおとらぬ

not at all inferior to, rival or surpass, compare favorably (with)

劣

れつ

inferior

優るとも劣らない

まさるともおとらない

not at all inferior to, rival or surpass, compare favorably (with)

優

やさ ゆう

gentle

劣る

おとる

to be inferior to, to be less good at, to fall behind

劣後

subordination

劣敗

れっぱい

defeat of the weaker

劣等

れっとう

inferiority, low grade

劣情

れつじょう

animal passions, carnal desire, lust

劣勢

れっせい

inferiority (e.g. numerical), inferior position, disadvantage, unfavorable situation, unfavourable situation

低劣

ていれつ

low grade, inferiority, coarseness, vulgarity

劣者

れっしゃ れつしゃ

an inferior

劣角

れっかく れつかく

minor angle

卑劣

ひれつ

mean, foul play, cowardly, base

劣弧

れっこ れつこ

minor arc

劣位

れつい

inferior position, inferior situation, disadvantage, subordination