You searched for: “most pressing
pressing (adjective); more pressing, most pressing
1. Referring to something which requires immediate attention: There were some pressing issues to be tended to, like getting new passports, before the family took off for their trip to Europe the following month!
2. Regarding something that is insistent or persistent: Despite a pressing and earnest invitation from her friend, Jane decided not to travel to Frankfurt to see her because she had other important plans which had to be tended to.