sup·​ple·​men·​tal | \ ˌsə-plə-ˈmen-tᵊl How to pronounce supplemental (audio) \

Definition of supplemental

1 : serving to supplement
2 : nonscheduled a supplemental airline

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Other Words from supplemental

supplemental noun

Examples of supplemental in a Sentence

She receives a supplemental income every month from the government. the new program will provide supplemental health insurance to thousands of workers

Recent Examples on the Web

Sixty players were chosen in the first round and the supplemental round that followed. Staff,, "Nine Innings: Jason Heyward's Turning Point, Expansion Possibilities and Bryce Harper's Struggles," 18 June 2018 Joey Gallo is the only first-rounder selected by the Rangers, in the supplemental round (39th overall) of the 2012 draft. Jeff Wilson, star-telegram, "What's it like to be the first overall draft pick? One Rangers pitcher knows," 4 June 2018 River birches also tend to develop yellow leaves in the summer during hot and dry periods without supplemental watering. Tim Johnson,, "Lack of chlorophyll may be culprit behind tree's yellow leaves," 3 Apr. 2018 Here in the 21st century: Taking supplemental ketones to help enhance this biological process will likely decrease appetite by raising blood levels of ketone bodies. Jaclyn London, Ms, Rd, Cdn, Good Housekeeping, "Keto Diet Pills and Supplements May Hurt Your Health and Waste Your Money," 16 Jan. 2019 In supplemental court papers filed Wednesday, Centerview partner Samuel Greene said his firm isn’t conflicted and provided more details explaining why its work for Bausch and Ironwood isn’t disqualifying. Tom Corrigan, WSJ, "Transparency Gets Fresh Look in Bankruptcy Court," 16 Jan. 2019 The drive choices range from HDD/SSD hybrids to dual drives running in RAID with a third supplemental drive. Melissa Riofrio, PCWorld, "The Alienware Area-51m is a desktop-class laptop both extreme and refined," 8 Jan. 2019 Simultaneously, House Minority Leader Nancy Pelosi has filed a Freedom of Information Act request to obtain documents about the FBI’s supplemental investigation into the assault accusations by Christine Blasey Ford and Deborah Ramirez. The Editorial Board, WSJ, "Who’s Attacking Political Norms Now?," 14 Oct. 2018 Among those killed was Kim Chang-ho, the first South Korean to summit all 14 Himalayan peaks over 8,000 meters (26,250 feet) without using supplemental oxygen. Binaj Gurubacharya, The Seattle Times, "Deaths spark calls in Nepal for better warning systems," 16 Oct. 2018

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

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First Known Use of supplemental

1605, in the meaning defined at sense 1

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Last Updated

12 Mar 2019

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Time Traveler for supplemental

The first known use of supplemental was in 1605

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English Language Learners Definition of supplemental

chiefly US : added to something else to make it complete


sup·​ple·​men·​tal | \ ˌsəp-lə-ˈment-ᵊl How to pronounce supplemental (audio) \

Medical Definition of supplemental

: serving to supplement : supplementary


sup·​ple·​men·​tal | \ ˌsə-plə-ˈment-ᵊl How to pronounce supplemental (audio) \

Legal Definition of supplemental

: serving to complete or make an addition supplemental appropriations specifically : of, relating to, or being a supplemental pleading

Other Words from supplemental

supplemental noun

More from Merriam-Webster on supplemental

Rhyming Dictionary: Words that rhyme with supplemental

Thesaurus: All synonyms and antonyms for supplemental

Comments on supplemental

What made you want to look up supplemental? Please tell us where you read or heard it (including the quote, if possible).


grandiloquent, ostentatious, or bombastic

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