Synonyms and Antonyms for hard-and-fast

2. fast (adv.)

quickly or rapidly (often used as a combining form)

Synonyms:

4. hard-and-fast (adj.)

(of rules) stringently enforced

Synonyms: Antonyms:

7. hard (adv.)

with effort or force or vigor

Synonyms:

8. hard (adj.)

very strong or vigorous

Synonyms: Antonyms:

9. hard (adj.)

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

Synonyms: Antonyms:

10. hard (adv.)

with firmness

Synonyms: