synthetic

1 of 2

adjective

syn·​thet·​ic sin-ˈthe-tik 

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

c

: factitious, bogus

synthetically

sin-ˈthe-ti-k(ə-)lē 

adverb

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

Adjective

• artificial

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

Adjective

The girlfriend, of course, turns out to be synthetic. —Steven Zeitchik, HollywoodReporter, 6 May 2026

Tight elastic bands, underwires and synthetic fabrics often contribute to friction and heat buildup. —Lauryn Higgins, Flow Space, 6 May 2026

Noun

Fabric still matters, but the conversation is more nuanced than simply choosing natural over synthetic. —Lauryn Higgins, Flow Space, 6 May 2026

Today, fine fragrance is a more than $20 billion a year industry, largely built on synthetics bottled in a lab. —Cecilia Vega, CBS News, 3 May 2026

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

Phrases Containing synthetic

• synthetic division
• synthetic geometry
• synthetic resin

Rhymes for synthetic

• acetic
• aesthetic
• ascetic
• athletic
• cosmetic
• diegetic
• eidetic
• emetic
• esthetic
• frenetic
• genetic
• helvetic

Kids Definition

synthetic

1 of 2 adjective

syn·​thet·​ic sin-ˈthet-ik 

1

: relating to or involving synthesis

2

: of, relating to, or produced by chemical synthesis

especially : produced artificially

synthetic drugs

synthetic fibers

synthetically

-ˈthet-i-k(ə-)lē 

adverb

synthetic

2 of 2 noun

: a product of chemical synthesis

Medical Definition

synthetic

1 of 2 adjective

syn·​thet·​ic sin-ˈthet-ik 

: of, relating to, or produced by chemical or biochemical synthesis

especially : produced artificially

synthetic drugs

synthetic dyes

synthetically

-i-k(ə-)lē 

adverb

synthetic

2 of 2 noun

: a product (as a drug) of chemical synthesis