What is another word for supplement?

Common synonyms for supplement include accessory, appurtenance, add-on.

What is the plural of supplement?

The plural of supplement is supplements.

The past tense of supplement is supplemented.

/ˈsʌp.lə.mənt/noun, verb3 syllables

Supplement means: a supplementary component that improves capability.

noun, as in a supplementary component that improves capability

accessory, appurtenance, add-on

noun, as in textual matter that is added onto a publication; usually at the end

addendum, postscript

noun, as in a quantity added (e.g. to make up for a deficiency)

supplementation

verb, as in add to the very end

append, add on, affix

also used for supplement

accompaniment, addition, adjunct, annex, apanage, appendage, appendix, eke out

Includes material from Wiktionary, CC BY-SA 4.0.

noun

a supplementary component that improves capability

textual matter that is added onto a publication; usually at the end

a quantity added (e.g. to make up for a deficiency)

verb

add to the very end“He appended a glossary to his novel where he used an invented language”

add as a supplement to what seems insufficient“supplement your diet”

serve as a supplement to“Vitamins supplemented his meager diet”

Definitions from the Open English WordNet, CC BY 4.0.

To supplement its income, the hardware store sold parts for wagons and carriages.CM
Penis enlargement supplements, as sold on sites and in magazines, have essentially no effect.blay_paul
You had better supplement your diet with vitamins.CM
Ziri used a liquid fertilizer to supplement the soil.Amastan
I'm looking for an easy way to supplement my income.ddnktr
Benedito gave his goats a salt lick to supplement their diet.Amastan
Herbal supplements sold in drugstores have poor quality control and high content variability.Scott
There are only food supplements in that mayonnaise!Hayabusa

Sentences from Tatoeba, CC BY 2.0 FR, credited to their authors.

as a noun

as a verb