12-letter words containing a, b, e, l, s
- flabbergasts — Plural form of flabbergast.
- flabberghast — (archaic) Alternative form of flabbergast.
- flabergasted — Simple past tense and past participle of flabergast.
- flinders bar — a bar of soft iron, mounted vertically beneath a compass to compensate for vertical magnetic currents.
- flutterballs — Plural form of flutterball.
- forecastable — to predict (a future condition or occurrence); calculate in advance: to forecast a heavy snowfall; to forecast lower interest rates.
- franchisable — a privilege of a public nature conferred on an individual, group, or company by a government: a franchise to operate a bus system.
- gallbladders — Plural form of gallbladder.
- gebrselassie — Haile (ˈhaɪlɪ). born 1973, Ethiopian athlete; won gold medals in the 10,000 metres at the Olympics (1996, 2000) and in four consecutive World Championships (1993–99)
- glabrousness — The quality of being glabrous.
- habitualness — The characteristic of being habitual.
- haematoblast — any of the undifferentiated cells in the bone marrow that develop into blood cells
- harbour seal — a common earless seal, Phoca vitulina, that is greyish-black with paler markings: found off the coasts of North America, N Europe, and NE Asia
- hardscrabble — providing or yielding meagerly in return for much effort; demanding or unrewarding: the hardscrabble existence of mountainside farmers.
- heliogabalus — (Varius Avitus Bassianus"Marcus Aurelius Antoninus") a.d. 204–222, Roman emperor 218–222.
- hematoblasts — Plural form of hematoblast.
- heteroblasty — the morphological changes that occur in plants between juvenility and adulthood
- hexasyllable — a word or line of verse of six syllables.
- hospital bed — a bed having side rails that can be raised or lowered and a mattress base in three jointed sections so that the head, foot, or middle may be raised by a crank or motor, allowing a patient to lie in various positions, as a therapeutic aid or for comfort.
- hubble's law — the law that the velocity of recession of distant galaxies from our own is proportional to their distance from us.
- hydrolysable — Alternative spelling of hydrolyzable.
- hypnotisable — Alternative spelling of hypnotizable.
- illiberalise — to render illiberal
- illiberalism — narrowminded; bigoted.
- illusionable — Liable to illusion.
- immeasurable — incapable of being measured; limitless: the immeasurable vastness of the universe.
- immeasurably — incapable of being measured; limitless: the immeasurable vastness of the universe.
- immensurable — immeasurable.
- imperishable — not subject to decay; indestructible; enduring.
- imperishably — In an imperishable manner.
- imprisonable — capable of being imprisoned or incarcerated
- inaccessible — Unable to be reached.
- inaccessibly — In an inaccessible manner.
- inadmissible — not admissible; not allowable: Such evidence would be inadmissible in any court.
- inappeasable — unable to be soothed or appeased: inappeasable anger.
- inconsolable — not able to be comforted or consoled; disconsolate: She was inconsolable when her son died.
- inconsumable — not consumable; incapable of being consumed.
- indefeasible — not defeasible; not to be annulled or made void; not forfeitable.
- indefeasibly — In an indefeasible manner.
- indefinables — Plural form of indefinable.
- indisposable — Not disposable.
- indisputable — not disputable or deniable; uncontestable. indisputable evidence.
- inexcuseable — Alternative form of inexcusable.
- inexpansible — unable to be expanded
- inhospitable — not inclined to, or characterized by, hospitality, as persons or actions; unfriendly.
- innominables — trousers
- inobservable — Unobservable.
- inscrutables — Plural form of inscrutable.
- insufferable — not to be endured; intolerable; unbearable: their insufferable insolence.
- insufferably — not to be endured; intolerable; unbearable: their insufferable insolence.