Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
Help
Help
Help
 
   
Display options
Show syllables
Show Lookup History
Double-Click Lookup
  Show Spanish support
 
Pronunciation
Wordsmyth
  Phonics
  IPA
 
Entry formats
Standard
  Classic
 
Lookup History
compulsory

com·pul·so·ry

compulsory

 
pronunciation:
km puhl s ri
features:
Word Parts
part of speech: adjective
definition 1: required or obligatory.
a compulsory test
synonyms:
binding, mandatory, obligatory, required
antonyms:
discretionary, optional
similar words:
involuntary, necessary, needful, requisite
definition 2: coercive or constraining.
synonyms:
coercive, constraining
similar words:
controlling, forcible
derivations: compulsorily (adv.), compulsoriness (n.)
Word Parts
The word compulsory contains the following parts:
com- Latin prefix that means with, together
Show wordsHide wordsMore about this word part:
The prefix com- attaches to Latin bases beginning with m, p, or b. It has multiple forms, as the m' sound in com- assimilates to the initial sound of the base to which it is attached. See the assimilated forms col-, con-, cor-, and co-. Note: com- is frequently an intensive prefix, as in "commemorate " and "command ."
synonyms:
syn-
 
pel, puls Latin root that means drive, push
-ory, -atory2 Latin adjective-forming suffix that means serving to, pertaining to
Show wordsHide wordsMore about this word part:
The suffix -ory , -atory2 attaches to Latin verb roots to form adjectives. Adjectives ending in "-atory " tend to have corresponding verbs ending in "-ate" (congratulatory: congratulate).