expeditious

EXPERT in PED work very fast and efficienntly..

Split it as Exped(expert)+tedious.so,some one who works efficiently(also with accuracy(expert)) n with great speed.

Split it as Exped(Expert) + Tedious.So,someone who is an EXPERT works efficiently and with great speed.

During my great shark expedition, I saw a large shark that moved Swiftly and expeditiously.

X-speed-itious.. x is efficiency, :)