Stick in the mud.
[Idiom] STICK IN THE MUD. - Explore How to Overcome Being a Stick in the Mud
Being dull or resistant to change.
The phrase "Stick in the mud" refers to someone who is perceived as boring or unadventurous and tends to resist change or new activities. It conjures the image of a stick stuck in wet, muddy ground, unable to move freely – just like someone who prefers to stick to their routine rather than explore new opportunities.
Example Sentences
He's such a stick in the mud; he never wants to try anything new.
He's very conservative and never wants to try anything new.
Don't be a stick in the mud, come out with us tonight!
Don't be so conservative, come out with us tonight!
She called him a stick in the mud for refusing to dance at the party.
She called him conservative for refusing to dance at the party.