use = an implacable enemy
ebb = recede, to fade away
use = He could feel his strength ebbing away
counterstrike = strike back
use = *
acclaim = recognition, fame, praise
use = an acclaimed author
amid = among
use = amid mounds of books
lethargy = indifferent, inactivity
use = *
retiring = modest, unassuming
use = to be shy and retiring
epochal = very significant or influential, defining an epoch or time period
use = an epochal speech by the President
nomenclature = terms used in a particular science or discipline
use = nomenclature of organic chemicals
arrogate = seize without right, to demand or claim arrogantly
use = They arrogate to themselves the power to punish people
