moins

In a sentence

• Il y a moins de monde ici qu'hier.

  There are fewer people here than yesterday.

  In this sentence, 'moins' is used to indicate a lesser quantity or number, in comparison to yesterday.

• Regarde cette montre, c’est la moins chère du magasin.

  Look at this watch, it's the least expensive one in the store.

  Here, 'moins' is used to indicate the minimum degree or the least of a certain quality among a set.

• Je me sens mieux maintenant car j'ai moins de stress.

  I feel better now because I have less stress.

  In this example, 'moins' indicates a lower degree of a certain state or condition, in this case, the amount of stress.