必要

Adjective

 * 1) necessary; essential

Noun

 * 1) need; necessity

Adjective

 * 1) needed, necessary

Noun

 * 1) need, necessity

Derived terms

 * 必要メモリ (hitsuyō memori): (computing) required memory size
 * 必要悪 (hitsuyōaku): necessary evil
 * 必要語 (hitsuyōgo): (computing) key word
 * 必要事 (hitsuyōji): necessities
 * 必要性 (hitsuyōsei): necessity
 * 必要品 (hitsuyōhin): necessities
 * 必要物 (hitsuyōbutsu): necessities
 * 必要経費 (hitsuyō keihi): necessary expenses
 * 必要次第 (hitsuyō shidai): as necessary
 * 必要書類 (hitsuyō shorui): necessary documents
 * 必要条件 (hitsuyō jōken): necessary conditions
 * 必要十分条件 (hitsuyō jūbun jōken): necessary and sufficient condition
 * 不必要 (fuhitsuyō): unnecessary
 * 絶対必要 (zettai hitsuyō): absolutely necessary
 * 事前に必要 (jizen ni hitsuyō na): prerequisite

Idioms

 * 必要なし (hitsuyō nashi): not required
 * 必要とする (hitsuyō to suru): need, call for
 * 必要ならば (hitsuyō naraba): if necessary
 * 必要と認める (hitsuyō to mitomeru): judge as necessary
 * 必要に応じて (hitsuyō ni ōjite): as necessary
 * 必要は発明の母 (hitsuyō wa hatsumei no haha): necessity is the mother of invention