rosier

Rosier is the English comparative form of rosy. It describes something that is more rosy in color or outlook than before. Common uses include phrases like rosier cheeks or rosier prospects. In modern writing, many style guides prefer "more rosy" in formal contexts, while "rosier" appears more often in literary or informal usage.

In French, rosier (masculine noun) refers to a rose bush—a shrub in the genus Rosa that bears roses. It is used in botanical and horticultural contexts to describe a plant or cultivar. The term appears in everyday gardening language, with forms such as rosier en fleur (a rose bush in bloom) and rosiers grimpants (climbing roses).

As a surname, Rosier exists in French-speaking regions and among families of French descent. It is found in genealogical records and can reflect geographic or occupational origins tied to roses or to places named with rose-related elements. Etymologies vary by source, and the surname is encountered in historical and contemporary contexts without implying one fixed lineage.