flyweight

noun

By · According to Wiktionary data (CC BY-SA) ·

"flyweight" is a 9-letter English headword indexed on PlainSpell.

The verdict

“flyweight” is an uncommon English word, ranked #58,033 in English word frequency and used as a noun.

#58,033
frequency rank, English
9
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A weight that moves outward depending on centrifugal force.

Key facts for flyweight
PropertyValue
Headwordflyweight
LanguageEnglish
Part of speechNoun
Letters9
Frequency rank#58,033
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “flyweight” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). flyweight lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for flyweight is 9 letters long, classified as a noun. Corpus data places it at rank #58,033 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.

No misspelling variants are generated for flyweight in our index, since its letter sequence doesn't invite the usual edit-distance slips. No confusable counterpart is on file for this word, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From fly + weight. The correct English form is flyweight, spelled F-L-Y-W-E-I-G-H-T.

Definition

  1. 1
    A weight that moves outward depending on centrifugal force.
  2. 2
    A weight class in many combat sports; e.g. in professional boxing of a maximum of 112 pounds or 50.8 kilograms.
  3. 3
    Small, light or unimportant.

Etymology

From fly + weight.

This word in other languages

poids mouche(Français)Fliegengewicht(Deutsch)peso-mosca(Português)

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "flyweight"?
"flyweight" is spelled F-L-Y-W-E-I-G-H-T.
What does "flyweight" mean?
As a noun, "flyweight" means: A weight that moves outward depending on centrifugal force.
What is the origin of the word "flyweight"?
From fly + weight. 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.

Using “flyweight”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is F-L-Y-W-E-I-G-H-T - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list