1. In isolation and without reference to anything else 
2. In a vacuum

Encyclopedia: In vacuo

• outrun
• outré
• outsail
• outscore
• outsell
• outset
• outshine
• outshout
• outside
• outside caliper
• outside clinch
• outside door
• outside loop
• outside marriage
• outside mirror
• outsider
• outsider art
• outsize
• outsized
• outskirt
• outskirts
• outsmart
• outsole
• outsource
• outspan