Definition of augmentative in English:

augmentative

adjective

Grammar
  • (of an affix or derived word) reinforcing the idea of the original word, especially by meaning ‘a large —,’ as with the Italian suffix -one in borrone ‘ravine,’ compared with borro ‘ditch.’

Origin

Late Middle English (in the sense having a tendency to increase): from Old French augmentatif, -ive or medieval Latin augmentativus, from the verb augmentare (see augment).

Pronunciation:

augmentative

/ôɡˈmen(t)ədiv/