prosthetic

adjective

pros·​thet·​ic präs-ˈthe-tik 

1

: of, relating to, or being a prosthesis

a prosthetic limb

prosthetic devices

These researchers will develop ways to connect prostheses more soundly to the bone, coordinate brain signals with prosthetic movement, and create properly rotating artificial joints.

—Sheela Raman

Similar prevention is recommended if you have leaky, prolapsed, or prosthetic heart valves.

—Consumer Reports

also : of or relating to prosthetics

prosthetic research

2

: of, relating to, or constituting a nonprotein group of a conjugated protein

covalently bound prosthetic groups

a heme prosthetic group

prosthetically

präs-ˈthe-ti-k(ə-)lē 

adverb

Examples of prosthetic in a Sentence

Recent Examples on the Web

After days of teasing her bloody costume on social media, Klum appeared on the carpet Saturday night in an 8-foot-tall replica of her left hand, designed by prosthetic artist Mike Marino. — Arushi Jacob, Footwear News, 2 Nov. 2026

Since February, Maya has undergone five surgeries, including receiving a prosthetic skull, Gebala said in the post, which listed challenging and hopeful milestones over the past 262 days. — Lex Harvey, CNN Money, 30 Oct. 2026

For the third-act interrogation scene of Longlegs, the horror-mystery’s occult obsessed serial killer (played by Nicolas Cage in heavy prosthetic makeup) punctuates his free-associative jailhouse ramblings with a stunning act of self-annihilation. — Chris Lee, Vulture, 30 Oct. 2026

The system tracks these changes to calculate muscle length and velocity, enabling the prosthetic controller to direct limb movement. — Kaif Shaikh, Interesting Engineering, 29 Oct. 2026

Word History

First Known Use

1872, in the meaning defined at sense 1

Rhymes for prosthetic

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

Medical Definition

prosthetic

adjective

pros·​thet·​ic präs-ˈthet-ik 

1

: of, relating to, or being a prosthesis

a prosthetic device

prosthetic limbs

also : of or relating to prosthetics

prosthetic research

2

: of, relating to, or constituting a nonprotein group of a conjugated protein

prosthetically

-i-k(ə-)lē 

adverb