This word has two meanings:
* Lame: Meaning impaired or injured, leading to an awkward walk.
* Lame: Meaning weak or unconvincing, often used to describe a joke or argument.
In the context of a "lame walk or step not stiff", the word "lame" is used in the second sense, meaning weak or unconvincing. It refers to a walk or step that lacks energy or vigor, making it appear lackluster or unimpressive.