invisible

[in-viz-uh-buhl]

adjective

1. not visible; not perceptible by the eye.

   invisible fluid.

2. withdrawn from or out of sight; hidden.

   an invisible seam.

   Synonyms: obscure, veiled

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.

noun

1. an invisible thing or being.

2. the invisible, the unseen or spiritual world.

invisible

/ ɪnˈvɪzəbəl /

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. economics of or relating to services rather than goods in relation to the invisible balance

   invisible earnings

noun

1. economics an invisible item of trade; service

Other Word Forms

• invisibility noun
• invisibly adverb
• invisibleness noun
• quasi-invisible adjective
• quasi-invisibly adverb

Word History and Origins

Origin of invisible¹

First recorded in 1300–50; Middle English word from Latin word invīsibilis. See in- ³, visible

Example Sentences

Nothing, not even light, can escape a black hole, making it completely invisible to telescopes.

Read more on Space Scoop

Sometimes this meet and greet releases massive energy in the form of powerful invisible jets, appearing just like the water jet used by firefighters to put out a fire.

Read more on Space Scoop

LEVY: Imagine a new employee who feels invisible in meetings.

Read more on The Wall Street Journal

Discovering more of these faint, hidden masses and understanding what they are could help eliminate certain explanations for dark matter, the invisible material believed to make up roughly one-quarter of the cosmos.

Read more on Science Daily

For about 50 million people in the United States, pain becomes a constant, invisible companion that can persist for years or even decades.

Read more on Science Daily

Related Words

• imperceptible 
• microscopic 
• unseen