firmly

As adverbs the difference between firmly and promptly

is that firmly is in a firm or definite or strong manner while promptly is in prompt manner; both soon and quickly.

As adverbs the difference between firmly and rapidly

is that firmly is in a firm or definite or strong manner while rapidly is with speed; in a rapid manner.

Firmly is a related term of unequivocally.

As adverbs the difference between firmly and unequivocally

is that firmly is in a firm or definite or strong manner while unequivocally is in an unequivocal or unambiguous manner.

As adverbs the difference between firmly and drastically

is that firmly is in a firm or definite or strong manner while drastically is to a drastic degree.

As adverbs the difference between firmly and unwaveringly

is that firmly is in a firm or definite or strong manner while unwaveringly is (manner) in an unwavering manner.

As an acronym solid

is (programming|object-oriented).

As an adverb firmly is

in a firm or definite or strong manner.

As adverbs the difference between firmly and lightly

is that firmly is in a firm or definite or strong manner while lightly is in a light manner.

As adverbs the difference between authentically and firmly

is that authentically is in an authentic manner; with the requisite or genuine authority while firmly is in a firm or definite or strong manner.

As an adverb firmly

is in a firm or definite or strong manner.

As an adjective sturdy is

of firm build; stiff; stout; strong.

As a noun sturdy is

a disease in sheep and cattle, marked by great nervousness, or by dullness and stupor.