envahissent

In a sentence

• Les mauvaises herbes envahissent notre jardin chaque été.

  The weeds invade our garden every summer.

  In this sentence, 'envahissent' refers to the unwelcome and spreading presence of weeds in the garden.

• Les pensées sombres envahissent son esprit quand elle est seule.

  Dark thoughts invade her mind when she is alone.

  Here, 'envahissent' symbolizes the pervasive and intrusive nature of negative thoughts occupying one's mind.

• Les touristes envahissent les plages dès que le soleil brille.

  Tourists invade the beaches as soon as the sun shines.

  In this context, 'envahissent' describes the overwhelming influx of tourists to the beaches, giving a sense of crowding.