(more especially; most especially)
1 : more than usually : VERY, EXTREMELY
He was especially concerned about the contract.
an especially good essay
There is nothing especially radical about that idea.
2 a : used to indicate something that deserves special mention
She can’t be sure she will win, especially at this early stage of the campaign.
The appetizers and especially (=particularly) the soup were delicious.
Especially in the beginning, they had many doubts.
b : for a particular purpose or person
The facility was built especially (=specifically) for research.
I made this pie especially for you.
not especially informal
– used to say that you are not very interested in doing something
“Would you like to go to a movie?” “No, not especially.”