Definition of partly in English:

partly

Line breaks: part¦ly
Pronunciation: /ˈpɑːtli
 
/

adverb

To some extent; not completely: the result is partly a matter of skill and partly of chance you’re only partly right
More example sentences
  • This is partly because most of us have better things to do than fill in forms.
  • It is clear from the Council report into the progress of the scheme that it has partly backfired.
  • The turnout was so good partly because of the weather and partly because the event is so well known now.
Synonyms
to a certain extent/degree, to some extent/degree, to a limited extent/degree, in part, partially, a little, somewhat, not totally, not wholly, not entirely, not fully, relatively, moderately, (up) to a point, half, in some measure, comparatively, slightly
informal ish

Definition of partly in: