1.  firmly(r = adv.all) firm, steadfastly, unwaveringly - with resolute determination; "we firmly believed it"; "you must stand firm"

2.  firmly(r = adv.all) securely - in a secure manner; in a manner free from danger; "she held the child securely"

3.  firmly(r = adv.all) hard - with firmness; "held hard to the railing"

   In a firm manner. [1913 Webster]