What is the meaning of the word "shakily"?

Definitions:

  1. in a manner characterized by trembling or shaking copy to clipboard adverb
    • I shakily explained that I didn't know where the money was when the robber pointed the firearm to my head. copy to clipboard
  2. in an insecurely shaky manner copy to clipboard adverb
    • this theory is rather shakily supported by some obscure data copy to clipboard