Synonyms and related words :
adjectival, adverbial, attributive, auxiliary, auxiliary verb, brittle, capricious, changeable, conjunctive, copula, copulative, correct, corruptible, deciduous, defective verb, deponent verb, dying, ephemeral, evanescent, fading, fickle, finite verb, fleeting, flitting, fly-by-night, flying, formal, fragile, frail, fugacious, fugitive, functional, glossematic, grammatic, impermanent, impersonal verb, impetuous, impulsive, inconstant, infinitive, insubstantial, intransitive, intransitive verb, linking, linking verb, modal auxiliary, momentary, mortal, mutable, neuter verb, nominal, nondurable, nonpermanent, participial, passing, perishable, postpositional, prepositional, pronominal, short-lived, structural, substantive, syntactic, tagmemic, temporal, temporary, transient, transitory, undurable, unenduring, unstable, verb, verb phrase, verbal, volatile