12-letter words containing f, i, l, b, e, r
- informidable — (obsolete) Not formidable; not to be feared or dreaded.
- insufferable — not to be endured; intolerable; unbearable: their insufferable insolence.
- insufferably — not to be endured; intolerable; unbearable: their insufferable insolence.
- irreformable — insusceptible to reforming influences; incorrigible.
- irreformably — in an irreformable manner
- irrefragable — not to be disputed or contested.
- irrefragably — In an irrefragable state or condition.
- leaf-climber — a plant that climbs by using leaves specialized as tendrils
- left-brained — having the left brain dominant, therefore being more adept at logic, calculation, language, and other thought processes or skills usually associated with the left brain.
- muscle fiber — one of the structural cells of a muscle.
- muscle fibre — any of the numerous elongated contractile cells that make up striated muscle
- neurofibrils — Plural form of neurofibril.
- olefin fiber — any of a group of synthetic textile fibers, as Herculon, formed from long-chain polymers no less than 85 percent ethylene, propylene, or other olefin units.
- overflow bit — (architecture) A processor flag bit set by the ALU to indicate overflow.
- plumbiferous — yielding or containing lead.
- soboliferous — bearing or producing soboles
- subfertility — below-average fertility
- tubuliferous — bearing or made up of tubules.
- unfilterable — not able to be filtered
- unforgivable — to grant pardon for or remission of (an offense, debt, etc.); absolve.
- unformidable — causing fear, apprehension, or dread: a formidable opponent.
- unprofitable — being without profit; not showing or turning a profit: a series of unprofitable ventures.
- unverifiable — to prove the truth of, as by evidence or testimony; confirm; substantiate: Events verified his prediction.