Answer. Ad hoc is a word that originally comes from Latin and means âfor thisâ or for this situation.. In current American English it is used to describe something that has been formed or used for a special and immediate purpose, without previous planning.Ad hoc can be used as an adjective or an adverb.It is used more often as an adjective, especially in these expressions: 1  ad hoc committee. 2  ad hoc group. 3  ad hoc basis.n current American English it is used to describe something that has been formed or used for a special and immediate purpose, without previous planning. Ad hoc can be used as an adjective or an adverb. It is used more often as an adjective, especially in these expressions: 1  ad hoc committee. 2  ad hoc group. 3  ad hoc basis.
pestifero (masc.) (fem. pestifera, masc. pl. pestiferi, fem. pl. pestifere) pestilential, pestiferous; noxious (smell) Anagrams. epistrofe
A definition of pest is: animals causing damage or annoyance to man, his animals, crops or possessions, such as insects, mites, nematodes, rodents, birds. This means that a certain insect could be a pest in one situation, but the same insect would be neutral in another situation.