(ˌpɛrɪˈfræstɪk) or periphrastical (ˌpɛrɪˈfræstɪkəl)
adjective
1.
employing or involving periphrasis
2.
expressed in two or more words rather than by an inflected form of one: used esp of a tense of a verb where the alternative element is an auxiliary verb. For example, He does go and He will go involve periphrastic tenses