"無効の" means "invalid"

Kanji in this word

Related words "無"

• 宿無し (yadonashi)vagabond
• 無い (nai)not
• 無くす (nakusu)get rid of
• 無くなる (nakunaru)be gone
• 頼り無い (tayorinai)undependable, unreliable, vague
• 一文無し (ichimonnashi)penniless

Related words "効"

• 効き目 (kikime)effect, efficacy
• 効く (kiku)be effective
• 効力 (koryoku)effect, efficacy, validity
• 効果 (koka)effect
• 効率 (koritsu)efficiency
• 効用 (koyo)effect, use, usefulness