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

庸劣

mediocre; inferior; commonplace; foolish; stupid

卑劣

ひれつ

mean, foul play, cowardly, base

劣位

れつい

inferior position, inferior situation, disadvantage, subordination

劣勢

れっせい

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

劣者

れっしゃ れつしゃ

an inferior

低劣

ていれつ

low grade, inferiority, coarseness, vulgarity

劣情

れつじょう

animal passions, carnal desire, lust

劣悪

れつあく

inferiority, coarseness

劣敗

れっぱい

defeat of the weaker

劣角

れっかく れつかく

minor angle

劣性

れっせい

recessiveness