1
: impossible to see : not visible
Sound waves are invisible.
a thriller about an invisible man
With the telescope we can see details of the planet's surface that are ordinarily invisible.
It felt like I was invisible at the party. [=no one was paying any attention to me at the party]
She feels as if her success is being blocked by an invisible barrier.
Homelessness is no longer an invisible problem for this city.
a letter written in invisible ink [=ink that can only be seen when it is specially treated in some way]
2
chiefly British, finance
—used to describe money from foreign countries that is received from providing services (such as banking and tourism) rather than from selling products
invisible earnings
invisible exports
Cite this Entry
“Invisible.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/invisible. Accessed 25 Jun. 2026.
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