13-letter words containing s, i, l, e, r
- ill-nourished — underfed or inadequately fed
- illiberalness — The state of being illiberal; illiberality.
- illustratable — Capable of being illustrated.
- immarcescible — (rare) Permanent, enduring; that does not perish.
- immaterialise — Alt form immaterialize.
- immaterialism — the doctrine that there is no material world, but that all things exist only in and for minds.
- immaterialist — A supporter of the philosophy of immaterialism.
- impartialness — The quality of being impartial.
- imperialistic — the policy of extending the rule or authority of an empire or nation over foreign countries, or of acquiring and holding colonies and dependencies.
- impermissible — not permissible or allowable; unallowable.
- impermissibly — (chiefly, legal) In a way or to an extent that is not permissible.
- impersonalise — to make impersonal: The dial system impersonalized the telephone.
- impersonalism — the practice of maintaining impersonal relations with individuals or groups.
- impersonality — absence of human character or of the traits associated with the human character: He feared the impersonality of a mechanized world.
- impersonalize — to make impersonal: The dial system impersonalized the telephone.
- imponderables — Plural form of imponderable.
- imputrescible — not liable to decomposition or putrefaction; incorruptible: a tanning process to make skins imputrescible.
- in real terms — You can also talk about the cost or value of something in real terms.
- inclinometers — Plural form of inclinometer.
- inconstruable — unable to be construed
- inconversable — (obsolete) uncommunicative; reserved.
- incorrigibles — Plural form of incorrigible.
- incredulously — not credulous; disinclined or indisposed to believe; skeptical.
- incurableness — The state or condition of being incurable.
- indescribable — not describable; too extraordinary for description: a scene of indescribable confusion; indescribable euphoria.
- indescribably — not describable; too extraordinary for description: a scene of indescribable confusion; indescribable euphoria.
- indiscernible — not discernible; that cannot be seen or perceived clearly; imperceptible.
- indiscernibly — In a way that cannot be discerned.
- indiscerpible — (obsolete) Not discerpible; inseparable.
- industrialise — Non-Oxford British standard spelling of industrialize.
- industrialize — to introduce industry into (an area) on a large scale.
- inertial mass — the mass of a body as determined by the second law of motion from the acceleration of the body when it is subjected to a force that is not due to gravity.
- inexpressable — Not capable of being expressed.
- inexpressible — not expressible; incapable of being uttered or described in words: a scene of inexpressible beauty.
- inexpressibly — not expressible; incapable of being uttered or described in words: a scene of inexpressible beauty.
- inflorescence — a flowering or blossoming.
- informalities — Plural form of informality.
- informercials — Plural form of informercial.
- inobtrusively — in an unobtrusive manner
- instructively — In an instructive manner.
- instrumentals — Plural form of instrumental.
- insupportable — not endurable; unbearable; insufferable: insupportable pain.
- integral test — the theorem that a given infinite series converges if the function whose value at each integer is the corresponding term in the series is decreasing, tends to zero, and results in a finite number when integrated from one to infinity.
- interestingly — engaging or exciting and holding the attention or curiosity: an interesting book.
- interglacials — Plural form of interglacial.
- interlocutors — a person who takes part in a conversation or dialogue.
- intermodalism — pertaining to or suitable for transportation involving more than one form of carrier, as truck and rail, or truck, ship, and rail.
- intermuscular — of or relating to muscle or the muscles: muscular strain.
- internalising — Present participle of internalise.
- interosculant — Mutually touching or intersecting.