English Reference

Word

synthetic

Phoneticssyn·thet·ic

US/sɪnˈθɛtɪk/

UK/sɪnθˈɛtɪk/

Definitions

01man-made or artificial

B2 · Science

adj. made by humans using chemical processes rather than occurring naturally.

adj. produced by chemical synthesis, especially to imitate a natural product.

“Many modern clothes are made from synthetic materials like nylon or polyester.”

“The laboratory succeeded in creating a synthetic version of the rare plant extract, ensuring a steady supply for medical research without depleting natural resources.”

Synonyms

Antonyms

02not genuine

C1

adj. not real or honest; fake.

adj. artificial or insincere in manner, tone, or quality.

“The politician greeted the crowd with a synthetic smile that didn't reach his eyes.”

“Critics dismissed the pop star's latest album as a synthetic corporate product lacking any genuine emotional depth.”

Formal

Synonyms

fakeinsincereaffected

Antonyms

03grammar and word endings

C2 · Linguistics

adj. describing a language that uses many word endings to show the meaning of a sentence.

adj. characterised by a grammar that depends on the use of bound morphemes or inflections to indicate syntactic relationships.

“Latin is a synthetic language because the endings of the words tell you their role in the sentence.”

“Linguistic evolution often shows a shift from highly synthetic structures toward more analytic ones, where word order and auxiliary verbs replace complex case endings.”

Academic · Technical

Synonyms

inflected

Antonyms

04a man-made material

B2

n. a substance or fabric that is made by humans, not from nature.

n. a chemical compound or textile produced by synthesis.

“The athlete prefers wearing synthetics because they dry much faster than cotton.”

“The rise of cheap synthetics in the mid-twentieth century revolutionised the fashion industry, making durable clothing accessible to the general public.”

Synonyms

Antonyms

natural fibre

Real-World Examples

“Synthetic DNA offered another important advantage over natural DNA.”
ScienceDaily · 17 Aug 2026
“Graphite treated in this way for several hours becomes a synthetic diamond.”
The Conversation · 3 Aug 2026
“The Velvet Sundown has 117,000 monthly listeners on Spotify but its page has no clear AI labelling, although the artist profile describes the four-piece as a “synthetic music project”.”
The Guardian · 11 Aug 2026
“Synthetic data could still teach the wrong lessons if it misrepresents contact forces, surface friction, or any number of other things.”
Ars Technica · 13 Jul 2026

Etymology

From French synthétique, from Ancient Greek συνθετικός (sunthetikós); Equivalent to synthesis + -ic (suffix formation of -tic).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Collocations

synthetic chemicals

Word family

synthesisNounsyntheticAdjective

Domains

ChemistryGrammarLinguisticsMedicine

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated

Scan code

englishreference.com/q/synthetic

English Reference