This is the 11480th most frequent French word.
retarder
To delay or postpone.
In this sentence, 'retarder' is used to mean 'to delay' or 'postpone' an event or activity.
Je ne veux pas retarder le début de la réunion.
I do not want to delay the beginning of the meeting.
Here, 'retarder' refers to 'to slow down' or impede the progress or speed of an action.
Son comportement a tendance à retarder ses progrès.
His behavior tends to slow down his progress.
In this context, 'retarder' is used to signify 'to delay' or extend the time until a particular consequence occurs.