This is the 1610th most frequent Russian word.
участвовал
Participated.
In this sentence, 'участвовал' is used to denote active participation in an event or activity.
Он участвовал в соревновании.
He participated in the competition.
Here, 'участвовал' signifies an individual's contribution or involvement in a collaborative effort.
Я участвовал в создании проекта.
I was involved in the project's creation.
In this case, 'участвовал' describes engagement in a conversation or discussion.