mandatorily

adv

"mandatorily" is a 11-letter English headword indexed on PlainSpell.

The verdict

“mandatorily” is uncommon English (outside the top frequency list), classed as an adverb. The kind of spelling people second-guess.

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - In a mandatory manner; not optionally; required.

Corpus desk

Index EN-mandatorily · mandatorily · English

mandatorily · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "M" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for mandatorily
PropertyValue
Headwordmandatorily
LanguageEnglish
Part of speechAdverb
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “mandatorily” in English

mandatorilyranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

mandatorily is uncommon English outside the top frequency list, classed as anadverb. Rarity is why readers land here mid-draft. Gloss: "In a mandatory manner; not optionally; required.".

We couldn't generate a plausible misspelling set for mandatorily, typically a sign the spelling maps closely to how the word sounds. Our confusable-pair dataset has no match for it, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From mandatory + -ly. The correct English form is mandatorily, spelled M-A-N-D-A-T-O-R-I-L-Y.

Definition

  1. 1
    In a mandatory manner; not optionally; required.

Etymology

From mandatory + -ly.

Synonyms

Antonyms

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "mandatorily"?
"mandatorily" is spelled M-A-N-D-A-T-O-R-I-L-Y.
What does "mandatorily" mean?
As an adverb, "mandatorily" means: In a mandatory manner; not optionally; required.
What is the origin of the word "mandatorily"?
From mandatory + -ly. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list