forwardest
for-ward-est
adjective
Most advanced in position, time, or development; furthest to the front.
"The forwardest runner took an early lead."
Thesaurus
Synonyms: forward, progressive, advancing, forward-moving, guardant, full-face, headfirst, gardant, headlong, frontward, frontwards, forrad
Antonyms: abaft, aft, astern, back, backward, backwards, rearward, rearwards, reverse