Mandatory
Mandatory adjective - Forcing one's compliance or participation by or as if by law.
Significant and mandatory are semantically related. In some cases you can use "Significant" instead an adjective "Mandatory".
Significant
Significant adjective - Clearly conveying a special meaning (as one's mood).
Mandatory and significant are semantically related. Sometimes you can use "Mandatory" instead an adjective "Significant".
Mutual synonyms
Both words in one sentence
- Lost, though not so much a mandatory twist ending as a mandatory twist at some point during the episode (especially in the first few seasons with back story Reveals, the most significant of these probably being the one from "Walkabout").
Source: Mandatory Twist Ending -
Having them in the same team together is only mandatory for one very brief period, but their most significant scenes involve both of them.
Source: Sibling Team -
Because Israel has mandatory military service for all its women and allows women into combat roles, it's natural that Israel would become a disproportionately significant military power in Lady Land.
Source: Comic Book / Y: The Last Man
Cite this Source
Significant and Mandatory. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/mandatory/significant
Mandatory & Significant. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/mandatory/significant>.
Significant or Mandatory. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/mandatory/significant.
Google Ngram Viewer shows how "mandatory" and "significant" have occurred on timeline