1. Serving to sustain or support
   "sustentacular cells"

See also: sustentation

• outhouse
• outing
• outlander
• outlandish
• outlandishly
• outlandishness
• outlast
• outlaw
• outlawed
• outlawry
• outlay
• outlet
• outlet box
• outlier
• outline
• outlined
• outlive
• outlook
• outlying
• outmaneuver
• outmanoeuvre
• outmarch
• outmatch
• outmode
• outmoded