invisible

UK: /ɪnˈvɪzɪb^əl/ US: /ɪnˈvɪzəbəl/ ,(in viz′ə bəl)

WordReference Random House Learner's Dictionary of American English © 2025

in•vis•i•ble /ɪnˈvɪzəbəl/   adj. 

1. not visible:
   organisms invisible to the naked eye.
2. out of sight; hidden:
   an invisible seam in a garment.
3. not ordinarily found in financial statements:
   Goodwill is an invisible asset to a business.

in•vis•i•bil•i•ty /ɪnˌvɪzəˈbɪlɪti/  n. [uncountable]
in•vis•i•bly, adv. See -vis-.

WordReference Random House Unabridged Dictionary of American English © 2025

in•vis•i•ble  (in viz′ə bəl), adj. 

1. not visible;
   not perceptible by the eye:
   invisible fluid.
2. withdrawn from or out of sight;
   hidden:
   an invisible seam.
3. not perceptible or discernible by the mind:
   invisible differences.
4. not ordinarily found in financial statements or reflected in statistics or a listing:
   Goodwill is an invisible asset to a business.
5. concealed from public knowledge.

n. 

6. an invisible thing or being.
7. the invisible, the unseen or spiritual world.

• Latin invīsibilis. See in-³, visible
• Middle English 1300–50

in•vis′i•bil′i•ty, in•vis′i•ble•ness, n. 
in•vis′i•bly, adv. 
Synonyms

• 2. veiled, obscure.

Collins Concise English Dictionary © HarperCollins Publishers::

invisible / ɪnˈvɪzəb^əl/ adjective

1. not visible; not able to be perceived by the eye: invisible rays
2. concealed from sight; hidden
3. not easily seen or noticed: invisible mending
4. kept hidden from public view; secret; clandestine
5. of or relating to services rather than goods in relation to the invisible balance: invisible earnings

noun

1. an invisible item of trade; service

inˌvisiˈbility, inˈvisibleness noun

inˈvisibly adverb