[plen.ti.ful] adj (15c) 1: containing or yielding plenty "a ~ land"
2: characterized by, constituting, or existing in plenty -- plen.ti.ful.ly adv -- plen.ti.ful.ness n syn plentiful, ample, abundant, copious mean more than sufficient without being excessive. plentiful implies a great or rich supply "peaches are plentiful this summer". ample implies a generous sufficiency to satisfy a particular requirement "ample food to last the winter". abundant suggests an even greater or richer supply than does plentiful "streams abundant with fish". copious stresses largeness of supply rather than fullness or richness "copious examples of bureaucratic waste".