This is the 8977th most frequent Turkish word.
tamamıyla
Completely; entirely; fully.
Here, 'tamamen' (which is similar to 'tamamıyla') indicates totality, conveying that the readiness is full and unreserved.
O tamamen hazırdı.
He was completely ready.
'Tamamıyla' emphasizes that the responsibility lies solely with the addressed individual.
Bu iş tamamıyla senin sorumluluğunda.
This task is completely your responsibility.
'Tamamıyla' is used to signify that the completion of the project is absolute, leaving no pending actions.