nail one's colours to the mast

verb

"nail-one-s-colours-to-the-mast" is a 24-letter English headword indexed on PlainSpell.

The verdict

“nail one's colours to the mast” is uncommon English (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.

Unranked
below top-frequency English
30
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To clearly show one's support for a side or opinion in a dispute, often indicating an intention to defend that side to the end.

Corpus desk

Index EN-nail-one-s-colours-to-th · nail one's colours to the mast · English

nail one's colours to the mast · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 30 letters
  • VOW-10 10 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "N" 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 nail one's colours to the mast
PropertyValue
Headwordnail one's colours to the mast
LanguageEnglish
Part of speechVerb
Letters30
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “nail one's colours to the mast” in English

nail one's colours to the mastfalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

nail one's colours to the mast is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. Gloss: "To clearly show one's support for a side or opinion in a dispute, often indicating an intention to defend that side to the end.".

We couldn't generate a plausible misspelling set for nail one's colours to the mast, a sign its spelling follows regular English conventions. Our dataset records no confusable match here, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From the naval military practice of displaying one's colours (signal flags or insignia) from the mast of a ship during battle to show loyalty. To surrender, one would strike one's colours, i.e. take down one's flag. If a ship nailed its colours to the mast,… The correct English form is nail one's colours to the mast, spelled N-A-I-L- -O-N-E-'-S- -C-O-L-O-U-R-S- -T-O- -T-H-E- -M-A-S-T.

Definition

  1. 1
    To clearly show one's support for a side or opinion in a dispute, often indicating an intention to defend that side to the end.

Recorded use

Wiktionary examples

These source excerpts show how nail one's colours to the mast appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Stood for his country’s glory fast, And nail’d her colours to the mast!
  2. He eventually nails his colours to the mast of strict determinism: every human action is inescapably caused by preceding events in the world, including events in the brain.

Etymology

From the naval military practice of displaying one's colours (signal flags or insignia) from the mast of a ship during battle to show loyalty. To surrender, one would strike one's colours, i.e. take down one's flag. If a ship nailed its colours to the mast, it would fight to the death and not surrender.

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 "nail one's colours to the mast"?
"nail one's colours to the mast" is spelled N-A-I-L- -O-N-E-'-S- -C-O-L-O-U-R-S- -T-O- -T-H-E- -M-A-S-T.
What does "nail one's colours to the mast" mean?
As a verb, "nail one's colours to the mast" means: To clearly show one's support for a side or opinion in a dispute, often indicating an intention to defend that side to the end.
What is the origin of the word "nail one's colours to the mast"?
From the naval military practice of displaying one's colours (signal flags or insignia) from the mast of a ship during battle to show loyalty. To surrender, one would strike one's colours, i.e. take down one's flag. If a ship nailed its colours to... See the full etymology section above for more details.
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Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list