imperceptible

/ˌɪm·pərˈsep·tə·bəl/ adj [not gradable]

Definition

› (of an action or change) so slight that it cannot be noticed: When they brought her in to the emergency room, her breathing was imperceptible. imperceptibly

/ˌɪm·pərˈsep·tə·bli/ adv › Imperceptibly, the day grew darker.

(Definition of imperceptible adj from the Cambridge Academic Content Dictionary © Cambridge University Press)

+ Free Dictionary Toolbar for Browsers
+ Add Dictionary Search to iGoogle and your website

+ Become a fan on Facebook
+ Follow us on Twitter!

Our dictionaries

British English
American English
Business English
Learner's Dictionary
Essential British English
Essential American English
English-Spanish
Español-inglés
English-Turkish

Browse the Thesaurus

Business
Clothes
Education
Finance
Light and colour
Personal care

“imperceptible” in other dictionaries

in Spanish
in Turkish

British English
Learner's

Browse the Dictionary

impenetrable adj
imperative adj URGENT
imperative n GRAMMAR
imperative n SOMETHING URGENT
imperative sentence n
imperceptible adj
imperfect adj
imperial adj
imperialism n
imperil v
imperious adj

Word of the Day

everything under the sun

everything that exists or is possible

Word of the Day ►

Blog

Read our blog about how the English language behaves.

Learn More ►

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.