Gerundive is a term applied to particular verb forms, usually non-finite, occurring in certain languages. It is used particularly with regard to Latin, where it denotes the future passive participle – a verbal-adjectival form such as portandus, meaning "(which is) to be carried", in the sense of either futurity or necessity. The Latin gerundive is similar in form to the gerund, which is a different non-finite verb form, serving as a verbal noun. The term gerundive may also be applied in grammatical descriptions of some other languages, where it can denote verbal adjectives, verbal adverbs, or certain finite verb forms. The word comes from Latin gerundivus ("of a gerund"), which is from gerundium ("gerund"), derived from gerundus, which is itself the gerundive of gero ("carry, bear, carry out").

The Latin gerundive is a non-finite verb form which serves as and is declined like an adjective (it may be called a future passive participle). It is used to indicate that someone or something (the referent of the noun it modifies) needs or deserves to be the object of an action. For details of its formation and usage, see Latin conjugation: Gerundive. Some examples of uses of Latin gerundives are noted below. Cato the Elder, a Roman senator, frequently ended his speeches with the statement Ceterum censeo Carthaginem delendam esse ("I also think Carthage to be [something] that must be destroyed", i.e. "Besides which, I think Carthage must be destroyed"). A gerundive appears in the phrase quod erat demonstrandum ("which was to be demonstrated"), whose abbreviated form Q.E.D. is often used after the final conclusion of a proof. The name Amanda is the feminine gerundive of amare ("to love"), and thus means roughly "[she who is] to be loved", "worthy of being loved", "worthy of love", or simply "lovable". Similarly with the name Miranda; mirari means "to admire", so the name means "[she who is] to be admired", "worthy of admiration", or "admirable". A number of English words come directly from Latin gerundives; for example, addendum comes from the gerundive of addere ("to add"), referendum comes from the gerundive of referre ("to bring back"), and agenda comes from a plural of agendum, the gerundive of agere "to do". Additionally, some words come from Latin gerundives by an indirect route; propaganda, for example, comes from a New Latin phrase containing a feminine form of propagandum, the gerundive of propagare ("to propagate"). [edit]Gerundives in other languages Classical Greek had a gerundive with a verbal-adjectival function similar to that of the Latin. For details see Ancient Greek grammar: Gerundive. The term gerundive is occasionally used in descriptions of English grammar, to denote the present participle used adjectivally or adverbially. (This form, ending in -ing, is identical to that of the English gerund, but it is generally called a gerund when it is used as a noun, not as an adjective or adverb.)[1] In the east African Semitic language Tigrinya, gerundive is used to denote a particular finite verb form, not a verbal adjective or adverb. Generally speaking, it denotes completed action which is still relevant. A verb in the gerundive can be used alone, or serially with another gerundive verb; in the latter case it may sometimes be translated with an adverbial clause: bitri hidju kheydu (literally, "a-stick he-took-hold-of he-began-walking") means "while holding a stick, he is walking", i.e. "he is carrying a stick". See Tigrinya verbs.