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

Tight or synthetic clothing can increase bacterial growth on the skin, including in areas that promote UTIs, due to additional sweating. — Alexandra Frost, USA Today, 30 June 2026

Beyond synthetic diamonds Fourth-generation semiconductors are based on ultra-wide-bandgap materials such as diamond and gallium oxide. — Neetika Walter, Interesting Engineering, 30 June 2026

Noun

For the most part, all cucumbers have waxy skin, whether the naturally-occurring kind or synthetic. — Stacey Lastoe, Southern Living, 29 June 2026

Beside the striping and F50 branding, the F50 Formotion leans heavily into the retro running look, which often also features metallic silver, with its application of synthetic overlays over a mesh base. — Ian Servantes, Footwear News, 24 June 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