From WordNet (r) 2.0 (August 2003) [wn]:
juiceless
adj 1: lacking juice [ant: juicy]
2: lacking interest or stimulation; dull and lifeless; "a dry
book"; "a dry lecture filled with trivial details"; "dull
and juiceless as only book knowledge can be when it is
unrelated to...life"- John Mason Brown [syn: dry]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Juiceless \Juice"less\, a.
Lacking juice; dry. --Dr. H. More.
[1913 Webster]