The word "varier" in French language means "to vary" or "to change". Synonym for "varier" include "changer" (to change), "modifier" (to modify), "diversifier" (to diversify), "alterer" (to alter), "transformer" (to transform), "renouveler" (to renew), "adapter" (to adapt), and "muter" (to mutate). These synonyms can be useful in French writing or speaking to create richer and more varied expressions. By using synonyms for varier, writers and speakers can bring more depth and clarity to their communication and avoid repetition.