From pre- + caffeinated. <span class="searchmatch">precaffeinated</span> (not comparable) Not having yet ingested caffeine; in particular, not having yet had one's first cup of coffee...
decaffeinated unleaded (coffee) hypercaffeinated noncaffeinated overcaffeinated <span class="searchmatch">precaffeinated</span> supercaffeinated uncaffeinated undercaffeinated containing caffeine...