aug·​men·​ta·​tive | \ ȯg-ˈmen-tə-tiv How to pronounce augmentative (audio) \

Definition of augmentative

 (Entry 1 of 2)

1 : able to augment
2 grammar : indicating large size and sometimes awkwardness or unattractiveness used of words and affixes — compare diminutive



Definition of augmentative (Entry 2 of 2)

: an augmentative word or affix

Examples of augmentative in a Sentence

Recent Examples on the Web: Adjective For children with autism spectrum disorder with nonverbal communication or who have complex communication needs, consider using a tool, called an augmentative and alternative communication device, to supplement their speech. J. Ganz, The Conversation, "5 tips for parents to build communication skills with children with autism spectrum disorder," 8 Aug. 2019 In this chapter, late in the book, Newman gallops through all the continuing experiments that use technology to lift and unleash the autistic (including my own effort to build augmentative technologies). Ron Suskind, New York Times, "A Family Memoir Makes the Case That Autism Is Different, Not Less," 16 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'augmentative.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of augmentative


15th century, in the meaning defined at sense 1


1616, in the meaning defined above

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The first known use of augmentative was in the 15th century

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Cite this Entry

“Augmentative.” Dictionary, Merriam-Webster, Accessed 29 May. 2020.

More from Merriam-Webster on augmentative

Rhyming Dictionary: Words that rhyme with augmentative

Nglish: Translation of augmentative for Spanish Speakers

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