asthenia

/æsˈθi.ni.ə/

//æsˈθi.ni.ə// noun

"asthenia" is a 8-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Weakness; loss of strength.

Corpus desk

Index EN-asthenia · asthenia · English

asthenia · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "A" 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 asthenia
PropertyValue
Headwordasthenia
LanguageEnglish
Part of speechNoun
IPA/æsˈθi.ni.ə/
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “asthenia” in English

astheniaranks 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

asthenia is uncommon English outside the top frequency list, classed as anoun, transcribed /æsˈθi.ni.ə/. Rarity is why readers land here mid-draft. 2 senses are on record.

The misspelling generator found no plausible variants for asthenia, which points to an orthography that plays by predictable English rules. Our dataset records no confusable match here, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From Ancient Greek ἀσθένεια (asthéneia), from ἀσθενής (asthenḗs, “sick, weak”), from ἀ- (a-, “not, un-”) + σθένος (sthénos, “strength”). By surface analysis, a- (“not”) + sthen- (“strength”) + -ia (“disease”). The correct English form is asthenia, spelled A-S-T-H-E-N-I-A.

Definition

  1. 1
    Weakness; loss of strength.
  2. 2
    weakness

Recorded use

Wiktionary examples

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

  1. The savage gets a headache when his thought is forced to flow in a stream of representation. In the imbecile, in the idiot we find the same thing manifested. They can only think in concrete sensory terms. In mental asthenia which approaches the state of the higher stages of imbecility and also in secondary dementia, states consequent on psychic degenerati…
  2. You see nothing that might even remotely suggest life, beyond the solitary brave watering the ponies below you; but that is because the asthenia of civilization has left you half blind as well as half deaf, for where you see nothing and hear nothing Geronimo is conscious of life, movement and sound-of rodents, reptiles and birds awaiting, quiescent, the l…

Etymology

From Ancient Greek ἀσθένεια (asthéneia), from ἀσθενής (asthenḗs, “sick, weak”), from ἀ- (a-, “not, un-”) + σθένος (sthénos, “strength”). By surface analysis, a- (“not”) + sthen- (“strength”) + -ia (“disease”).

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 "asthenia"?
"asthenia" is spelled A-S-T-H-E-N-I-A. The IPA pronunciation is /æsˈθi.ni.ə/.
What does "asthenia" mean?
As a noun, "asthenia" means: Weakness; loss of strength.
How do you pronounce "asthenia"?
The IPA (International Phonetic Alphabet) transcription for "asthenia" is /æsˈθi.ni.ə/. 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 "asthenia"?
From Ancient Greek ἀσθένεια (asthéneia), from ἀσθενής (asthenḗs, “sick, weak”), from ἀ- (a-, “not, un-”) + σθένος (sthénos, “strength”). By surface analysis, a- (“not”) + sthen- (“strength”) + -ia (“disease”). 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