Meanings
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1
adj
unsound or unsteady; or a detachable shirt front
He felt a bit dicky after the long sea crossing.
Thesaurus
Etymology
Of uncertain origin; both the adjective ('unsound, shaky') and the noun ('detachable shirt front, false collar') are 18th–19th century English colloquialisms, possibly from the pet form of the personal name Richard ('Dick'), though the development is obscure.