Meaning: Damage the good character or reputation of.
Hindi meaning:कलंकति करना
Synonyms: Tarnish, Taint, Stain, Smear
Antonyms: Honour, Exalt, Glorify, Hail
Example: His involvement in the scandal blotted on his reputation.
Trick to remember: Dhoke se plot bechkar family ko blot kar diya tune