English Reference

Word

arthritis

Phoneticsarthri·tis

US/ɑɹˈθɹaɪtəs/

UK/ɑːθɹˈaɪtɪs/

Definition

n. a medical condition that makes your joints feel painful, stiff, and swollen. It often makes it hard to move your fingers, knees, or back easily.

n. inflammation of one or more joints, causing pain and stiffness that can worsen with age. Often used as a general term for over 100 different conditions affecting the musculoskeletal system.

Examples

“My grandmother has arthritis in her hands.”

“The doctor recommended swimming because it is a low-impact exercise that doesn't hurt patients with arthritis.”

“While rheumatoid arthritis is an autoimmune disorder, osteoarthritis is primarily characterized by the mechanical wear and tear of cartilage over several decades.”

Examples

simple

“My grandmother has arthritis in her hands.”

contextual

“The doctor recommended swimming because it is a low-impact exercise that doesn't hurt patients with arthritis.”

complex

“While rheumatoid arthritis is an autoimmune disorder, osteoarthritis is primarily characterized by the mechanical wear and tear of cartilage over several decades.”

Usage

Typically used without an article when referring to the condition generally; can be modified by a specific body part ('arthritis of the knee').

Real-World Examples

“She has arthritis and is unable to come downstairs but she tells Polanski she loves him.”
The Guardian · 7 Sept 2026
“On returning home, his wife, who suffers from arthritis, was now physically unable to care for him, “much as she wanted to”, said Williams.”
The Guardian · 7 Sept 2026
“Another claimed Hopkins sold a horse for showjumping which had such severe arthritis, a vet had previously recommended it should be put down.”
BBC News · 26 Aug 2026

Etymology

From Latin arthrītis, from Ancient Greek ἀρθρῖτις (arthrîtis, “joint-disease, gout”), from ἄρθρον (árthron, “a joint”). By surface analysis, arthr- + -itis.

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

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated

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English Reference