gravissimas

Gravissimas is a Latin adjective form meaning "the most serious" or "gravest." Grammatically, gravissimas is the feminine accusative plural of gravissimus and commonly occurs in Latin phrases rather than as a stand-alone title. In ecclesiastical Latin, it appears in the titles of documents to denote the gravity of the subject, often in phrases such as gravissimas res ("the gravest matters").

The phrase is not typically the name of a single widely known work, but it features in many official texts across centuries. A notable modern instance closely related in form is Gravissimum educationis, a Vatican II declaration on Catholic education issued in 1965. The title translates roughly as "the gravest education" and signals the high importance assigned to education in Catholic teaching.

In scholarly discussions, gravissimas is cited as an example of Latin superlatives used to convey solemnity in church discourse, liturgy, and canon law. The exact meaning of a text bearing gravissimas depends on the noun it modifies and the historical context.

See also: Gravissimum educationis; Latin language; Vatican II; Catholic Church documents.