Antonyms of adv steadily

1 of 2 senses of steadily

Sense 2
steadily, steady -- (in a steady manner; "he could still walk steadily")
       Antonym of unsteadily (Sense 1)
      => unsteadily, falteringly, uncertainly -- (in an unsteady manner; "he walked unsteadily toward the exit"; "The wounded soldier was swinging unsteadily on his legs")

Synonyms of adv steadily

2 senses of steadily

Sense 1
steadily -- (at a steady rate or pace; "his interest eroded steadily")

Sense 2
steadily, steady -- (in a steady manner; "he could still walk steadily")