ankylose: meaning, definition, pronunciation and examples

Rare / Very Low Frequency (C2 level)
UK/ˈæŋ.kɪ.ləʊz/US/ˈæŋ.kɪ.loʊs/

Technical / Medical / Formal

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Quick answer

What does “ankylose” mean?

(Of bones or joints) to stiffen, grow together, or become fixed in position by ankylosis (bony fusion).

Audio

Pronunciation

Definition

Meaning and Definition

(Of bones or joints) to stiffen, grow together, or become fixed in position by ankylosis (bony fusion).

By extension, to become rigid, stiff, or immobilized, often implying a pathological or undesirable state of fixity.

Dialectal Variation

British vs American Usage

Differences

Spelling is identical. Usage is equally rare and technical in both varieties. The noun form 'ankylosis' is marginally more common.

Connotations

Medical/clinical term with strong negative connotations of loss of function and mobility.

Frequency

Extremely rare in both. Found almost exclusively in orthopedic, rheumatological, or paleopathological texts.

Grammar

How to Use “ankylose” in a Sentence

[Subject: joint/bone] + ankylose (intransitive)[Object: joint] + be + ankylosed (transitive passive)

Vocabulary

Collocations

strong
joint ankylosesvertebrae ankylosebone ankylosescompletely ankylose
medium
tend to ankyloserisk of ankylosingbegan to ankylosefused and ankylosed
weak
gradually ankylosepathologically ankylosedsurgically ankylosed

Examples

Examples of “ankylose” in a Sentence

verb

British English

  • If left untreated, the sacroiliac joint may ankylose completely.
  • The surgeon noted the vertebrae had begun to ankylose post-trauma.

American English

  • In severe cases, the small joints of the hand can ankylose.
  • The fracture was so severe that the bones ankylosed in a misaligned position.

adverb

British English

  • (None standard. Potential derived form: 'ankylosingly', but this is non-existent in practice.)

American English

  • (None standard. Potential derived form: 'ankylosingly', but this is non-existent in practice.)

adjective

British English

  • (Derived: ankylosed) The patient presented with an ankylosed knee joint.
  • An X-ray revealed ankylosed facets in the spinal column.

American English

  • (Derived: ankylosed) The goal of surgery was to correct the ankylosed elbow.
  • They studied the ankylosed remains from the archaeological site.

Usage

Meaning in Context

Business

Not used.

Academic

Used in medical, biological, and anthropological research papers (e.g., describing fossilized bone pathologies).

Everyday

Virtually never used.

Technical

Core context. Found in clinical notes, surgical reports, rheumatology textbooks, and discussions of conditions like ankylosing spondylitis.

Vocabulary

Synonyms of “ankylose”

Strong

ossify (specifically bony fusion)consolidate (medically)

Weak

hardenimmobilizebecome fixed

Vocabulary

Antonyms of “ankylose”

Watch out

Common Mistakes When Using “ankylose”

  • Using it as a common synonym for 'stiffen' (e.g., 'My neck ankylosed overnight').
  • Incorrect spelling: 'ankyloze', 'ancilose'.
  • Mispronunciation: /ænˈkaɪ.loʊs/ (stress on second syllable).

FAQ

Frequently Asked Questions

No, it is a very rare, technical term used almost exclusively in medical and related scientific fields.

'Stiffen' is a general term for becoming less flexible. 'Ankylose' is a specific medical term meaning for bones or a joint to become fused together into a single, rigid structure, often through pathological bony growth.

Its primary and standard use is for skeletal structures. In metaphorical or highly specialized technical writing, it might be extended to describe other things becoming rigidly fused (e.g., 'the political factions ankylosed into opposing blocs'), but this is exceptional and not standard.

The noun form is 'ankylosis' (pronounced /ˌæŋ.kɪˈləʊ.sɪs/ in GB, /ˌæŋ.kɪˈloʊ.sɪs/ in US), which refers to the abnormal stiffening and immobility of a joint due to fusion of the bones.

(Of bones or joints) to stiffen, grow together, or become fixed in position by ankylosis (bony fusion).

Ankylose is usually technical / medical / formal in register.

Ankylose: in British English it is pronounced /ˈæŋ.kɪ.ləʊz/, and in American English it is pronounced /ˈæŋ.kɪ.loʊs/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • (none specific; term is purely technical)

Learning

Memory Aids

Mnemonic

Think of 'ankle' + 'close'. Imagine an ankle joint closing up and fusing shut, becoming stiff (ankylose).

Conceptual Metaphor

JOINT IS A HINGE; ANKYLOSE IS THE HINGE FUSING/WELDING SHUT.

Practice

Quiz

Fill in the gap
In a severe case of arthritis, the small joints of the fingers may , leading to a loss of dexterity.
Multiple Choice

In which context would the verb 'ankylose' be MOST appropriately used?