defecate
Low-frequency in everyday speech; more common in formal, medical, or technical registers.Formal, medical, technical; considered clinical or blunt in everyday conversation. Often replaced by euphemisms (e.g., 'use the bathroom', 'go') in casual settings.
Definition
Meaning
To eliminate feces from the bowels; to have a bowel movement.
In technical/scientific contexts (e.g., chemistry, metallurgy), to remove impurities or dregs; to clarify. This usage is now rare and largely historical.
Linguistics
Semantic Notes
Primarily refers to the biological act. Its use implies a neutral, factual tone but can be perceived as overly direct or crude in social conversation. The chemical/metallurgical sense is obsolete outside specialized historical texts.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning. Both varieties treat it as a formal/clinical term.
Connotations
Equally formal/clinical in both dialects. Slightly less jarring in UK medical contexts than in US casual talk, but the register is consistent.
Frequency
Equally low in everyday speech in both regions. 'Go to the toilet/loo' (UK) and 'use the bathroom/restroom' (US) are vastly more common.
Vocabulary
Collocations
Grammar
Valency Patterns
[Subject] defecates[Subject] defecates [Adverbial] (e.g., frequently, blood)[Subject] defecates on/in [Location]Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “[No common idioms directly with 'defecate'. Related: 'scared the shit out of' uses the vulgar synonym.]”
Usage
Context Usage
Business
Extremely rare and inappropriate.
Academic
Used in medical, biological, veterinary, and anthropological texts.
Everyday
Avoided in polite conversation; euphemisms preferred.
Technical
Standard in medical diagnosis, patient notes, biological research, and veterinary science.
Examples
By Part of Speech
verb
British English
- The patient has not been able to defecate for three days.
- Campers must dig a hole to defecate in.
- The doctor asked if he defecated normally.
American English
- The medication can cause difficulty defecating.
- It is illegal to defecate in public in this city.
- The infant defecated after each feeding.
adverb
British English
- [No standard adverb form.]
American English
- [No standard adverb form.]
adjective
British English
- [No standard adjective form. 'Faecal' is used.]
American English
- [No standard adjective form. 'Fecal' is used.]
Examples
By CEFR Level
- [Too formal for A2. Taught as a recognition word only.]
- Animals defecate to remove waste from their bodies.
- The nurse recorded how often the patient defecated.
- Certain neurological disorders can affect the patient's ability to urinate and defecate voluntarily.
- The study noted the time and location where the wild bears defecated.
- The historical process to defecate sugar involved using lime and carbon dioxide.
- Symptoms include a persistent urge to defecate without producing stool.
Learning
Memory Aids
Mnemonic
Think of 'DEFECate' as removing FECes (Latin: 'fex, fecis' meaning dregs/impurities).
Conceptual Metaphor
ELIMINATION IS PURIFICATION (in obsolete technical sense). THE BODY IS A CONTAINER (feces are waste to be expelled).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- False friend with Russian 'дефекация' (defekatsiya), which is almost exclusively the industrial process of purifying sugar beet juice, not the bodily function. The bodily function in Russian is 'испражняться' (isprazhnyat'sya) or 'ходить по-большому' (khodit' po-bol'shomu).
Common Mistakes
- Mispronunciation: /ˈdiː.fɪ.keɪt/ (wrong) vs. /ˈdɛf.ɪ.keɪt/ (correct).
- Using it in casual social settings where a euphemism is expected.
- Confusing it with 'decaffeinate'.
Practice
Quiz
In which context is the word 'defecate' MOST appropriate?
FAQ
Frequently Asked Questions
It is not vulgar, but it is very direct and clinical. It is considered impolite for casual conversation, where euphemisms are preferred.
Defecation (e.g., 'The frequency of defecation was recorded').
Yes, it is perfectly standard and neutral in veterinary and zoological contexts.
It comes from Latin 'defaecare', meaning 'to cleanse from dregs' (de- 'off' + faex 'dregs'). The bodily sense developed via the idea of purifying the body by expelling waste.