aseptic

/əˈsɛptɪk/

//əˈsɛptɪk// adj

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

"aseptic" is a 7-letter English headword indexed on PlainSpell.

The verdict

“aseptic” is uncommon English (frequency #72,095 among 35,202 “A” headwords), classed as an adjective. The kind of spelling people second-guess.

#72,095
frequency rank, English
35,202
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Free of disease-causing microbes.

Key facts for aseptic
PropertyValue
Headwordaseptic
LanguageEnglish
Part of speechAdjective
IPA/əˈsɛptɪk/
Letters7
Frequency rank#72,095
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “aseptic” 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). aseptic lands here:

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

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

Rare enough to double-check

aseptic is uncommon English at frequency #72,095 among 35,202 “A” headwords, classed as anadjective, transcribed /əˈsɛptɪk/. Rarity is why readers land here mid-draft. 3 senses are on record.

Our edit-distance generator produced no likely misspellings for aseptic, a sign its spelling follows regular English conventions. We don't track a confusable pairing for this entry, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From a- + septic. The correct English form is aseptic, spelled A-S-E-P-T-I-C.

Definition

  1. 1
    Free of disease-causing microbes.
  2. 2
    Used to protect against infection by disease-causing microbes.
  3. 3
    pasteurised.

Etymology

From a- + septic.

This word in other languages

aséptico(Español)aseptisch(Deutsch)

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 "aseptic"?
"aseptic" is spelled A-S-E-P-T-I-C. The IPA pronunciation is /əˈsɛptɪk/.
What does "aseptic" mean?
As an adjective, "aseptic" means: Free of disease-causing microbes.
How do you pronounce "aseptic"?
The IPA (International Phonetic Alphabet) transcription for "aseptic" is /əˈsɛptɪk/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "aseptic"?
From a- + septic. 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 “aseptic”

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

  • The one correct English spelling is A-S-E-P-T-I-C - every other letter order is a misspelling in standard orthography.
  • Say it as /əˈsɛptɪk/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

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