intrus

In a sentence

• L'intrus s'est introduit dans la maison sans être remarqué.

  The intruder entered the house without being noticed.

  In this sentence, 'intrus' refers to a person who has entered a place illegally or without permission, specifically emphasizing their role as an uninvited or unauthorized individual.

• Quand tu regardes les photos, tu remarqueras un intrus parmi les objets.

  When you look at the photos, you'll notice an outlier among the objects.

  Here, 'intrus' is used figuratively to describe something that stands out or does not belong in a given context, such as a mismatched item in a group.

• Il faut identifier l'intrus dans cette liste de mots.

  You need to identify the odd one out in this list of words.

  This usage applies 'intrus' in the context of categorization, where it signifies an element inconsistent with others in a specified group, commonly employed in educational settings.