Synonyms for compulsory
- adjective
Most common
All synonyms
Adjective
1. Mandatory — required; obligatory; mandatory
mandatory, obligatory, required, involuntary, imperative, necessary, forced, binding, compulsatory, decretory dated rare
Other
Definitions
- adj. 1
Required; obligatory; mandatory.
The ten-dollar fee was compulsory.
Related words
- Word family
- compulsorily compulsoriness command
- Phrases
- compulsory acquisition compulsory purchase compulsory heterosexuality
- Other spellings
- compulsary
Example sentences
- required I'm sorry, sir, but a jacket and tie are required.
- mandatory English is a mandatory language in Czech schools.
- obligatory Fasting in Ramadan is obligatory for every Muslim.
- involuntary Hiccups are involuntary contraction of the diaphragm.
Popularity over time
| Word | 1850 → 2019 | Trend |
|---|---|---|
| compulsory | falling | |
| required | falling | |
| mandatory | steady | |
| obligatory | steady | |
| involuntary | steady |
Use in printed books, per decade from 1850 to 2019.
By length
- 6 letters
- forced1
- 7 letters
- binding2
- 8 letters
- required3, absolute3
- 9 letters
- necessary4, mandatory4, decretory
- 10 letters
- compelling3, imperative4, obligatory5
- 11 letters
- involuntary5
- 12 letters
- compulsatory
The small number after each word is its number of syllables (binding2 = 2 syllables).
In other languages
- Français
- requis
- Italiano
- richiesto
- Deutsch
- erforderlich