Idiom: Chase A RainbowCheck definitions of...chasearainbowMeaningsHow to pronounce "chase a rainbow":AU Your browser does not support the audio element. To pursue something illusory, impractical, or impossible.A-Z Proximitiescharge upcharity muggercharley horsecharmed lifecharm offensive chase a rainbow chase afterchase offchase one's tailchase rainbowschase tailSimilar Idiomschase a rainbowsomewhere over the rainbowchase afterchase offchase one's tailchase rainbowschase tailchase the dragoncut to the chasegive chasewild-goose chaseSimilar Phraseschase afterchase awaygive chasepaper chasesalmon p. chasesalmon portland chasewild-goose chaserainbow cactusrainbow fishrainbow lorikeetrainbow perchrainbow pinkrainbow runnerrainbow seaperchrainbow showerrainbow smeltrainbow trout