HinKhoj Dictionary

Falter (लड़खड़ाना) - Persist, Endure
Ferocious (निर्दयी) - Gentle, Sympathetic
Frivolous (तुच्छ) - Solemn, significant
Frugality (अल्पव्यय) - Lavishness, extravagance
Glut (ज़्यादा खाना) - Starve, abstain
Grisly (भयानक) - Pleasing, attractive

cousin brother
He is my cousin brother.
Saying cousin brother is a redundancy.

blunder mistake
He has made a blunder mistake.
The phrase blunder mistake is a redundancy. Blunder has already the word mistake in its meaning, a stupid mistake, so we don't need to add extra word--mistake--with it.

new innovation
We need new innovation in technology.
new innovation is redundancy. Innovation itself means a new idea, device, or method.

English prefix Post- का मतलब होता है after (बाद में). इससे बनने वाले कुछ words है -
Posthumous - after someone's death
Postpone - to delay something
Postscript - an addition to an already completed document.
Postgraduate : Relating to studies after graduation
Postmarital : Relating to after the marriage
Postmortem : After death; as, a postmortem examination

Calumny (बदनामी) - defamation, aspersion
Cease (बंद करना) - terminate, desist
Concur (सहमत होना) - approve, agree
Carnal (सांसारिक) - Earthly, fleshly
Decipher (समझाना) - interpret, reveal
Decay (ख़राब होना) - Collapse, decompose
Defray (चुकाना) - spend, pay

Sometimes it is necessary to have troubles in life. This shows who supports us and who leaves us.
कभी कभी जिंदगी में मुसीबतों का आना भी जरूरी है। इससे हमें पता चलता है कौन हमारा साथ देगा और कौन छोड़ जाएगा।