I. on ‧ ward /ˈɒnwəd $ ˈɑːnwərd, ˈɒːn-/ BrE AmE adjective [only before noun]
moving forward or continuing:
The company offers flights to Amsterdam with onward travel to The Hague.
the onward march of science
II. on ‧ wards /ˈɒnwədz $ ˈɑːnwərdz, ˈɒːn-/ BrE AmE ( also onward American English ) adverb
1 . from ... onwards beginning at a particular time or age and continuing after that:
from the 1980s onwards
2 . literary forwards:
He walked onwards to the head of the lake.
3 . onwards and upwards used to say that the development, increase, or progress of something continues:
With exports strong, the business is moving onwards and upwards.