Synonyms and Antonyms for hard-and-fast

1. hard-and-fast (adj.)

(of rules) stringently enforced

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3. fast (adv.)

quickly or rapidly (often used as a combining form)

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7. hard (adv.)

with effort or force or vigor

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8. hard (adj.)

very strong or vigorous

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9. hard (adj.)

characterized by effort to the point of exhaustion; especially physical effort

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10. hard (adv.)

with firmness

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