lengthily
at length

She held him at arms' length and looked into his eyes.

At a length of 2 hours and 16 minutes, it doesn't happen soon enough.

Both were worth reading, but would have been better at half the length.

I would like to write to you at greater length, but cannot find the time.

I will deal with that point at greater length later on.

But the love of the people sometimes had to be kept at arm's length.

Here was a project they could keep at arm's length.

He and I have got to stay at arm's length.

I held the light up at arm's length over my head.

Then she held me with both hands at arm's length.