Obligatory
Obligatory adjective - Forcing one's compliance or participation by or as if by law.
Regular and obligatory are semantically related. in customary topic. In some cases you can use "Regular" instead an adjective "Obligatory".
Regular
Regular adjective - Appearing or occurring repeatedly from time to time.
Obligatory and regular are semantically related. Sometimes you can replace term "Obligatory" with "Regular", this adjectives are similar.
Mutual synonyms
Related pairs
Both words in one sentence
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The two regular cast members are the only ones left alive, to the point where Delenn is holding the corpse of the obligatory cute child that had been dancing around earlier in the episode.
Source: Everybody's Dead, Dave -
Obligatory Joke: It's been over a decade since he starred in The Passion of the Christ, and the Jesus jokes are still a regular occurrence.
Source: Creator / Jim Caviezel -
Ten regular levels, three fortresses and the obligatory Airship level.
Source: Marathon Level
Cite this Source
Regular and Obligatory. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/obligatory/regular
Obligatory & Regular. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/obligatory/regular>.
Regular or Obligatory. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/obligatory/regular.
Google Ngram Viewer shows how "obligatory" and "regular" have occurred on timeline