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17 points
EFFICIENT is validvalid
[adj] : EFFICIENCY [n], EFFICIENTLY [adv]
capable of doing what may be required [adj EFFICIENTLY] / a trained soldier, esp. one volunteering for service [n -S]
[adj] : EFFICIENCY [n], EFFICIENTLY [adv]
capable of doing what may be required [adj EFFICIENTLY] / a trained soldier, esp. one volunteering for service [n -S]