1. Worthy of notice
   "a noteworthy advance in cancer research"
   - notable 
2. Worthy of notice
   "a noteworthy fact is that her students rarely complain"
   - remarkable

See also: important, significant, worthy

• outgoer
• outgoing
• outgrow
• outgrowth
• outguess
• outgun
• outhaul
• outhouse
• outing
• outlander
• outlandish
• outlandishly
• outlandishness
• outlast
• outlaw
• outlawed
• outlawry
• outlay
• outlet
• outlet box
• outlier
• outline
• outlined
• outlive
• outlook