chase a rainbow
To pursue something illusory, impractical, or impossible.
noun
A multicoloured arch in the sky, produced by prismatic refraction of light within droplets of rain in the air.
Why are there so many songs about rainbows And what's on the other side? Rainbows are visions, but only illusions And rainbows have nothing to hide.
Any prismatic refraction of light showing a spectrum of colours.
A wide assortment; a varied multitude.
a rainbow of possibilities
An illusion; a mirage.
Many electoral promises are rainbows, vanishing soon after poll day.
A curveball, particularly a slow one.
adj
Multicolored, especially if in rainbow order.
Made up of several races or ethnicities, or (more broadly) of several cultural or ideological factions.
That Asian-American actor Thomas Ikeda contributes a pleasingly frantic Panthino would not be considered rainbow enough.
He went along with them because the Pack was a rainbow group — two Italian-Americans, a black man, a Jew (Bishop), and a sometime Englishman (Lawford) — and they were making a point.
LGBT.
Similarly, the question of who belongs in such a rainbow alliance isn't set. It can include gay men, lesbians, bisexuals and transgender individuals. It can include people who are 'questioning' which culture they belong to [...]
Why do they have to add rainbow propaganda into everything?
Composed entirely of different suits.
Of or pertaining to rainbow tables.
rainbow attack
verb
To brighten with, or as with, a rainbow; to pattern with the colours of the rainbow.
To take the appearance of a rainbow.
We saw birds and butterflies rainbowing in the sun; lazy lizards crawling in the heat; inguanas blinking on stone wall, with mouth wide open for flies; poisonous snakes, not only carved on walls, but gliding through the grass.
In climbing gyms where the rocks to climb are colored to indicate suggested climbing routes, to climb rocks of different colors, thereby ignoring such routes.
“She's going to learn to belay while I'm climbing? What if I fall?” “You're not going to fall while rainbowing a 5.8, and besides, she'll catch you.” “I could die.” “That would be tragic,” I said. Kaitlyn crossed her arms.
called “rainbowing.” Different routes were color coordinated. ... Using hand-me-down equipment and learning as much as she could, Brittany began climbing outdoors. She found like-minded people and joined organizations such as Brown ...