Use 'lamely' to indicate an action lacks emotional strength or conviction, as if half-hearted. She lamely apologized, without looking me in the eyes.
Pro Tip 2/3
Not Persuasive
'Lamely' can describe an attempt to convince someone that is not likely to succeed. He gave a lamely structured argument in the debate.
Pro Tip 3/3
Lack of Effort
Indicates that someone is not making a strong effort or does not show full commitment. During the practice, he participated lamely and without enthusiasm.