Synonyms of synthetic
1
: relating to or involving synthesis : not analytic
the synthetic aspects of a philosophy
2
: attributing to a subject something determined by observation rather than analysis of the nature of the subject and not resulting in self-contradiction if negated compare analytic
3
: characterized by frequent and systematic use of inflected forms to express grammatical relationships
synthetic languages
4
a(1)
: of, relating to, or produced by chemical or biochemical synthesis
especially : produced artificially
synthetic drugs
synthetic silk
(2)
: of or relating to a synfuel
b
: devised, arranged, or fabricated for special situations to imitate or replace usual realities

synthetic

2 of 2

noun

: something resulting from synthesis rather than occurring naturally
especially : a product (such as a drug or plastic) of chemical synthesis

Synonyms of synthetic

Examples of synthetic in a Sentence

Adjective that organic farm doesn't use any pesticides or synthetic fertilizers boots of waterproof synthetic leather Noun The drug is a synthetic.
Recent Examples on the Web
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Adjective
Pappas has also supported strict limits on perfluoroalkyl and polyfluoroalkyl substances, or PFAS, which are synthetic chemicals that can be found in an array of consumer products, including clothing, shampoo, electronics, and cleaning products. — Maydeen Merino, The Washington Examiner, 15 Oct. 2026 Not all, but much of a cotton garment’s environmental impact is decided before the fiber leaves the farm, between water, biodiversity, pesticides and synthetic fertilizer. — Sj Studio, Footwear News, 13 Oct. 2026
Noun
Following a global crackdown on fentanyl, a class of cheap, potent synthetics called nitazenes gained a foothold in the illicit drug market starting in 2019. — Mary Jane Gibson, Rolling Stone, 13 Oct. 2026 As the cost of petrochemical feedstocks for virgin synthetics rises by as much as 60 percent or more, the price difference between virgin and bio-based options is getting smaller. — Arthur Zaczkiewicz, Footwear News, 5 Oct. 2026 See All Example Sentences for synthetic

Word History

Etymology

Adjective

Greek synthetikos of composition, component, from syntithenai to put together

First Known Use

Adjective

1697, in the meaning defined at sense 1

Noun

1916, in the meaning defined above

Time Traveler
The first known use of synthetic was in 1697

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Cite this Entry

“Synthetic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/synthetic. Accessed 20 Oct. 2026.

Kids Definition

synthetic

1 of 2 adjective
1
: relating to or involving synthesis
2
: of, relating to, or produced by chemical synthesis
especially : produced artificially
synthetic drugs
synthetic fibers

synthetic

2 of 2 noun
: a product of chemical synthesis

Medical Definition

synthetic

1 of 2 adjective
: of, relating to, or produced by chemical or biochemical synthesis
especially : produced artificially
synthetic drugs
synthetic dyes

synthetic

2 of 2 noun
: a product (as a drug) of chemical synthesis
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