Standard Lemma guide

atonic

adj · noun · 7 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /eɪˈtɒnɪk/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -ɒnɪk

1

adj

Meaning 1

unstressed

Definition source: English Wiktionary via Wiktextract

Usage: unstressed

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

not having tone (pitch)

Definition source: English Wiktionary via Wiktextract

Topics: human-sciences, linguistics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Lacking muscle tone.

Definition source: English Wiktionary via Wiktextract

Topics: medicine, pathology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adj

Meaning 4

Characterized by atony, or want of vital energy.

Definition source: English Wiktionary via Wiktextract

Topics: medicine, sciences

Examples

  • an atonic disease

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A sound with lack of tone or vocality.

Definition source: English Wiktionary via Wiktextract

Usage: dated

Topics: human-sciences, linguistics, phonetics, phonology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

adjective

Meaning 6

used of syllables

Definition source: Princeton WordNet 3.0

Examples

  • an atonic syllable carries no stress

Meaning relationships

Synonyms: unaccented

Antonyms: tonic

7

adjective

Meaning 7

characterized by a lack of tonus

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Hellenic *ə- Ancient Greek ἀ- (a-)der. English a- Proto-Indo-European *ten- Proto-Indo-European *-os Proto-Indo-European *tónos Proto-Hellenic *tónos Ancient Greek τόνος (tónos) Proto-Indo-European *-kos Proto-Hellenic *-kos Ancient Greek -κός (-kós) Ancient Greek -ικός (-ikós) Ancient Greek τονῐκός (tonĭkós) English tonic English atonic From a- + tonic.

Across languages

Translations

5 source translations are retained for this English entry.

  • Portuguese: átono — unstressed
  • Spanish: átono — unstressed
  • Polish: atoniczny — not having tone
  • Polish: atoniczny — pathology
  • Polish: atoniczny — medicine