eco-friendly

adj

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

The verdict

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

Unranked
below top-frequency English
12
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Ecologically friendly; not damaging to the natural environment.

Corpus desk

Index EN-eco-friendly · eco-friendly · English

eco-friendly · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 12 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "E" 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 eco-friendly
PropertyValue
Headwordeco-friendly
LanguageEnglish
Part of speechAdjective
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “eco-friendly” in English

eco-friendlyfalls 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

eco-friendly is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Ecologically friendly; not damaging to the natural environment.".

Zero misspellings are on record for eco-friendly in our index, a sign its spelling follows regular English conventions. This headword has no recorded confusable partner, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From eco- + friendly. The correct English form is eco-friendly, spelled E-C-O---F-R-I-E-N-D-L-Y.

Definition

  1. 1
    Ecologically friendly; not damaging to the natural environment.

Recorded use

Wiktionary examples

These source excerpts show how eco-friendly appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Reducing plastic waste is a crucial problem for today’s environment, and whether it’s recyclable and biodegradable phone cases or sustainable fashion, there are plenty of eco-friendly products that can help you reduce your footprint.
  2. To cut carbon, a steel industry by-product (known as ground granulated blast-furnace slag) has been incorporated into the pier, as an eco-friendlier alternative, to traditional concrete.

Etymology

From eco- + friendly.

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 "eco-friendly"?
"eco-friendly" is spelled E-C-O---F-R-I-E-N-D-L-Y.
What does "eco-friendly" mean?
As an adjective, "eco-friendly" means: Ecologically friendly; not damaging to the natural environment.
What is the origin of the word "eco-friendly"?
From eco- + friendly. 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