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

But unlike its cousins, the GeForce GTX 1650 will be available in some boards that consume a mere 75 watts of power, avoiding the need for a supplemental power connector from your power supply. Brad Chacos, PCWorld, "Nvidia's GeForce GTX 1650 is a $150 graphics card built to plug-and-play in any PC," 23 Apr. 2019 If that’s not possible, treatment with supplemental oxygen may be enough, the CDC says, along with drugs such as nifedipine, which acts on your body’s calcium to increase your access to blood and oxygen while easing some of the burden on your heart. Carolyn L. Todd, SELF, "What Exactly Is Altitude Sickness?," 20 Dec. 2018 The benefit gain was driven by a nearly 12% increase in bonuses and other forms of supplemental pay. Eric Morath, WSJ, "Employers Choose Bonuses Over Raises," 18 Sep. 2018 The state's highest criminal court also refused a second supplemental appeal from Rubio as legally improper and declined to consider the merits of the arguments in that appeal. Michael Graczyk, Fox News, "Texas man on death row for decapitating 3 kids loses appeal," 23 May 2018 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

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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Statistics for supplemental

Last Updated

7 May 2019

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Time Traveler for supplemental

The first known use of supplemental was in 1605

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More Definitions for supplemental



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).


a sum of money that is sent as a payment

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