Definition of tough luck
—used in speech to show sympathy for someone who has failed or has been disappointed You lost your job? Oh, tough luck. —often used in an ironic way to show that one does not feel sympathy for someone "I need more time to finish the job." "Tough luck. You knew the job was supposed to be done by today."
Love words? Need even more definitions?Merriam-Webster unabridged
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