Merciless meaning in HindiTags: Nirdayi meaning in Hindi. Merciless meaning in hindi. Merciless in hindi language. What is meaning of Merciless in Hindi dictionary? Merciless ka matalab hindi me kya hai (Merciless का हिन्दी में मतलब ). Nirdayi in hindi. Hindi meaning of Merciless , Merciless ka matalab hindi me, Merciless का मतलब (मीनिंग) हिन्दी में जाने। What is Merciless ? Who is Merciless ? Where is Merciless English to Hindi dictionary(शब्दकोश).