1. Without question and beyond doubt
   - decidedly, unquestionably, definitely, in spades, by all odds

See also: emphatic

• oil refinery
• oil rigger
• oil shale
• oil slick
• oil stain
• oil tanker
• oil tycoon
• oil well
• oil-bearing
• oil-fired
• oil-hardened steel
• oil-industry analyst
• oil-rich seed
• oil-soluble
• oil-water interface
• oilbird
• oilcan
• oilcloth
• oiled
• oiler
• oilfield
• oilfish
• oiliness
• oilman
• oilpaper