18-letter words containing r, s, f
- vermilion rockfish — a scarlet-red rockfish, Sebastes miniatus, inhabiting waters along the Pacific coast of North America, important as a food fish.
- visiting professor — a professor from another institution invited to teach at a university or college for a limited period, usually for a semester or one academic year.
- warrant of fitness — a six-monthly certificate required for motor vehicles certifying mechanical soundness
- weather forecaster — meteorologist
- wild passionflower — the maypop, Passiflora incarnata.
- wildlife sanctuary — an area where wild animals and plants are protected
- with flying colors — with flying colors, with an overwhelming victory, triumph, or success: He passed the test with flying colors.
- work one's ass off — work extremely hard
- world of one's own — a state of mental detachment from other people
- writ of assistance — a writ issued by a superior colonial court authorizing officers of the British crown to summon aid and enter and search any premises.
- wrongful dismissal — the act of making someone redundant for reasons which are illegal or unjust
- yelloweye rockfish — a red rockfish, Sebastes ruberrimus, of waters along the Pacific coast of North America, having eyes that are yellow and possessed of strong, sawlike bony ridges on the head.
- zone of saturation — the ground below the water table