1.He has been unaccountably delayed.
2.The train stopped unaccountably; shortly afterward a ticket inspector began; the inspector's face was vaguely familiar.
3.One characteristic of this year's Cannes is that many of its finest films were unaccountably left out of the main competition.
4.Last year he told the American Society of Newspaper Editors that “as an industry, many of us have been remarkably, unaccountably, complacent”.
5.Unaccountably, he made no reference to the sufferings of Sri Lankan Tamils even though nearly 300, 000 of them have been displaced from their homes and are now miserably interned in camps.
6.The book unaccountably marked an epoch in my young life.
7.If you find yourself unaccountably laughing, for instance, you could be overdosing on manganese.