the GNU version of the Collaborative International Dictionary of English
ad. In an inscrutable manner.
The Century Dictionary and Cyclopedia
In an inscrutable manner; so as not to be discovered or explained; mysteriously.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
ad. in an inscrutable manner
Word Usage
"The inscrutably named Toro Y Moi is one of the acts most closely associated with chillwave, an indie sound that falls somewhere between electronic music and rock without pausing to puzzle out the difference."