sit-up: meaning, definition, pronunciation and examples
B1Informal, General, Fitness/Technical
Quick answer
What does “sit-up” mean?
A physical exercise where you lie on your back, bend your legs, and raise your torso to a sitting position, typically to strengthen the abdominal muscles.
Audio
Pronunciation
Definition
Meaning and Definition
A physical exercise where you lie on your back, bend your legs, and raise your torso to a sitting position, typically to strengthen the abdominal muscles.
The act of rising from a lying or reclining position to a sitting posture; can also denote a posture where one sits upright, especially with the back straight.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or primary usage. Both use the hyphenated form 'sit-up' for the noun describing the exercise.
Connotations
Identical. Strongly associated with physical training, gym culture, and fitness tests.
Frequency
Equally common in both varieties due to global fitness terminology.
Grammar
How to Use “sit-up” in a Sentence
do + NUMBER + sit-up(s)perform + sit-up(s)manage + to do + a sit-upVocabulary
Collocations
Examples
Examples of “sit-up” in a Sentence
verb
British English
- The doctor told him to sit up slowly after the operation.
- The puppy learned to sit up and beg.
American English
- She had to sit up to answer the phone.
- The news made everyone sit up and pay attention.
Usage
Meaning in Context
Business
Rarely used, except metaphorically (e.g., 'making the company sit up and take notice').
Academic
Used in sports science, physiology, and health studies texts.
Everyday
Common in conversations about exercise, fitness, and health.
Technical
Standard term in fitness training, physical education, and military/police fitness assessments.
Vocabulary
Synonyms of “sit-up”
Neutral
Weak
Watch out
Common Mistakes When Using “sit-up”
- Writing as one word 'situp' (standard is hyphenated).
- Using uncountable form (e.g., 'do some sit-up'). It is countable: 'do 20 sit-ups'.
FAQ
Frequently Asked Questions
Yes, the standard noun form for the exercise is hyphenated: sit-up.
In a full sit-up, you raise your entire torso until your chest touches your knees. In a crunch, you only lift your shoulder blades off the floor, focusing more intensely on the upper abdominals.
The verb is the phrasal verb 'to sit up' (two words), meaning to rise to a sitting position. The noun for the exercise is the hyphenated 'sit-up'.
If done with poor form, especially by pulling on the neck, they can strain the back and neck. Many fitness professionals now recommend alternatives like planks or crunches for safer core strengthening.
A physical exercise where you lie on your back, bend your legs, and raise your torso to a sitting position, typically to strengthen the abdominal muscles.
Sit-up is usually informal, general, fitness/technical in register.
Sit-up: in British English it is pronounced /ˈsɪt ʌp/, and in American English it is pronounced /ˈsɪt ˌʌp/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Imagine the action: you SIT UP from the floor. The name is the exact instruction for the exercise.
Conceptual Metaphor
STRENGTH IS VERTICAL MOVEMENT (rising against gravity).
Practice
Quiz
What is the primary purpose of a sit-up?