The synonym of 'Truculence' is -

• Truculence (noun)
English Meaning: An inclination to fight or quarrel. Also, the quality of being unpleasant and likely to argue a lot.
Bangla Meaning: যুদ্ধাভিলাষ; জিঘাংসা; যুদ্ধোন্মাদ।

Synonyms: Aggression (বিনা উস্কানিতে বৈরী আচরণ; হামলা), Belligerence (যুদ্ধমান অবস্থা), Combativeness (যুদ্ধের ঝোঁক), Militancy (জঙ্গিপনা), Hostility (শত্রুতা)।

Antonyms: Nonaggression (অনাক্রমণ), Pacifism (শান্তিবাদ), Submission (আত্মসমর্পন), Truce (সন্ধি), Ceasefire (যুদ্ধবিরতি)।

Example Sentence:
1. I lost four friends in 18 months because of my truculence, my antagonism, my aggression and my mood swings.
2. It was a display of pointless truculence and ignorance, and he was applauded for it.

Source: Website Lecture.