See Also: hard-and-fast(dictionary)
fast(3)(dictionary)
fast(1)(dictionary)
fast ray(medicine)
fast(7)(dictionary)
fast(6)(dictionary)
sit-fast(dictionary)
Fast(medicine)
fast(5)(dictionary)
fast(4)(dictionary)

hard-and-fast (oh)



adj [only before noun]
clear, definite, and always able to be used
ĦĦIt is impossible to give hard-and-fast rules , but here are some points to consider.