Imperceptible

Synonyms for "imperceptible" (85 found)

Ranked by relevance and common usage.

Closest matches (17)

impalpable unobservable aerial atomic behind the curtain behind the scenes camouflaged concealed corpuscular disguised embryonic ephemeral evanescent

Adjective(4 words)

imperceivable undistinguishable unperceivable cosmic

Strong matches (26)

Related words (42)

minuscule minute molecular momentary obscure out of sight secret sight sightless slight subatomic subliminal submerged subtle tenuous thin tiny trivial ultramicroscopic unapparent

Show 19 more words

unappreciable unbeheld unbeholdable unclear undetectable undiscernible undistinguishable unnoticeable unnoticed unobserved unperceivable unperceived unrealized unseeable unseen unviewed unwitnessed vague viewless

Adjective(2 words)

undetectable unperceptible

Adjective(1 words)

unperceivable

Related word relations

OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.

5 relation types

More specific

5 entries

inaudible insipid intangible invisible scentless

Antonyms

1 entries

perceptible

derived

3 entries

imperceptibility imperceptibleness imperceptibly

related to

7 entries

detectable impalpable inaudible invisible perceive perceptible perception

similar

17 entries

impalpable inaudible incognizable incognoscible indiscernible insensible invisible subliminal undetectable unhearable unobservable

Showing 16 of 17 words.

Translations

22 translations across 16 languages.

Belarusian

1 entries

непрыкме́тны adj (not perceptible)

Bulgarian

1 entries

неусетен adj (not perceptible)

Catalan

1 entries

imperceptible adj (not perceptible)

Chinese Cantonese

1 entries

不可察覺嘅 /不可察觉嘅 adj (not perceptible)

Dutch

3 entries

onmerkbaar adj (not perceptible)
onwaarneembaar adj (not perceptible)
onzichtbaar adj (not perceptible)

Finnish

2 entries

huomaamaton adj (not perceptible)
vaikea aistia adj (not perceptible)

French

2 entries

imperceptible adj (not perceptible)
inapercevable adj (not perceptible)

German

1 entries

unmerklich adj (not perceptible)

Greek

1 entries

ανεπαίσθητος adj (not perceptible)

Manx

1 entries

neuvaghtal adj (not perceptible)

Ottoman Turkish

1 entries

بللیسز adj (not perceptible)

Polish

1 entries

niewyczuwalny adj (not perceptible)

Portuguese

2 entries

imperceptível adj (not perceptible)
impercetível adj (not perceptible)

Russian

2 entries

незаме́тный adj (not perceptible)
неощути́мый adj (not perceptible)

Spanish

1 entries

imperceptible adj (not perceptible)

Ukrainian

1 entries

непримі́тний adj (not perceptible)

Sample sentences

15 total sentences available.

Tatoeba + Wiktionary

The truth is opaque and consequently imperceptible.

Source: tatoeba (2922443)

There is often only one point between beauty and ugliness, and it is almost imperceptible.

Source: tatoeba (4442403)

The sound was practically imperceptible.

Source: tatoeba (9194663)

The sounds are imperceptible to humans.

Source: tatoeba (11826460)

Showing 4 of 15 available sentences.

More for "imperceptible"

Meaning Antonyms Sentences Word Type

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.