Catch – 22 [kach - twen - tee - too]
–noun, plural Catch-22′s, Catch-22s
1. a frustrating situation in which one is trapped by contradictory regulations or conditions.
2. any illogical or paradoxical problem or situation; dilemma.
3. a condition, regulation, etc., preventing the resolution of a problem or situation; catch.
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Origin:
from a military regulation in a novel of the same name (1961) by U.S. novelist Joseph Heller (born 1923)