adjective.
Without interruption; coherent; as, a seamless transition.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
smooth, especially of skin
adjective.
perfectly consistent and coherent
adjective.
not having or joined by a seam or seams
Word Usage
"Arguably Apple got there first with the iPhone and AppStore, and yet the iPhone still needs iTunes running on a computer to make the experience seamless, and iTunes is definitely not what I call a seamless user experience."