fixation

noun

fix·​a·​tion fik-ˈsā-shən 

: the act, process, or result of fixing, fixating, or becoming fixated: such as

a

: a persistent concentration of libidinal energies upon objects characteristic of psychosexual stages of development preceding the genital stage

b

: stereotyped behavior (as in response to frustration)

c

: an obsessive or unhealthy preoccupation or attachment

The never-ceasing interest, even fixation, of the royals was on the preservation of their dynasty.

—Warren F. Kimball

Synonyms of fixation

• obsession

Examples of fixation in a Sentence

their weight is an unfortunate fixation for many teenagers

Recent Examples on the Web

Further testing found that sinkhole trees had selected for genes that boosted photosynthesis and carbon fixation, showing how the populations had adapted for their low-light habitat. — New Atlas, 24 July 2026

TreeSize’s evolution illustrates the growing subscription economy, particularly the software industry’s fixation on recurring revenue. — Scharon Harding, ArsTechnica, 21 July 2026

Additionally, the club is missing young pitchers Ryan Bergert (Tommy John surgery) and Ben Kudrna (olecranon stress fracture fixation surgery). — Jaylon Thompson, Kansas City Star, 21 July 2026

But in recent months his fixation has moved from executive nominee litmus tests and executive orders reinforcing proof of citizenship to vote into legislation – dragging Congress into the fray. — Washington Post, 18 July 2026

Word History

Etymology

Middle English fixacioun "(in alchemy) reduction of a volatile substance to a form not alterable by fire or another agent of change," borrowed from Medieval Latin fīxātiōn-, fīxātiō, from fīxāre "to so reduce a volatile substance" (verbal derivative of Latin fīxus "firmly established, unchangeable") + Latin -tiōn-, -tiō, suffix of action nouns; in psychological senses after German Fixation or Fixierung — more at fix entry 1

First Known Use

14th century, in the meaning defined above

Phrases Containing fixation

• complement fixation
• nitrogen fixation

Rhymes for fixation

• ablation
• aeration
• bination
• carnation
• cassation
• castration
• causation
• centration
• cessation
• cetacean
• chelation
• citation

Kids Definition

fixation

noun

fix·​a·​tion fik-ˈsā-shən 

1

: the act, process, or result of fixing

2

: a state of concern or attachment especially when abnormal and lasting for a long time

Medical Definition

fixation

noun

fix·​a·​tion fik-ˈsā-shən 

1

: the act, process, or result of fixing, fixating, or becoming fixated: as

a

: the act or an instance of focusing the eyes upon an object

b

: a persistent concentration of libidinal energies upon objects characteristic of psychosexual stages of development preceding the genital stage

c

: stereotyped behavior (as in response to frustration)

d

: an obsessive or unhealthy preoccupation or attachment

2

: the immobilization of the parts of a fractured bone especially by the use of various metal attachments