Triumphalist (adjective)

Characterized by a sense of triumph or exultation, especially over the defeat of an adversary.

Origin:

The word "triumphalist" comes from the latin word "triumphus" meaning "triumph" and the suffix "-alist" which denotes one who believes in or practices something, referring to the one who practices triumph or rejoicing over victory.

Examples:

1. The team's triumphalist attitude after winning the game was off-putting to the losing team.
2. The politician's triumphalist speech after the election caused many people to question their true motives.
3. He was criticized for his triumphalist tone when discussing the company's success.
4. The company's triumphalist attitude towards its competitors is not well received by the public.
5. The historian criticized the triumphalist interpretation of the war as it ignored the suffering of the defeated.