The word 'Denigrate' means-

• The word 'Denigrate' means - Criticize unfairly.

• Denigrate (verb-transitive)
- English Meaning: Criticize unfairly; disparage; to attack the reputation of.
- Bangla Meaning: মানহানি/কালিমালেপন করা।

Example Sentence:
1. Rational people judge the message without denigrating the messenger.
2. Her story denigrates him as a person and as a teacher.

অন্যদিকে,
- Endorse: Support wholeheartedly.
- Swerve: Change direction suddenly.
- Escalate: Become intense or more intensive.

Source:
1. Accessible Dictionary by Bangla Academy.
2. Oxford Dictionary.