13-letter words containing l, i, s, o
- 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.
- implantations — Plural form of implantation.
- imponderables — Plural form of imponderable.
- impossibilism — a belief that everything is impossible; defeatism
- impossibilist — a person who holds to the ideas of impossibilism
- impossibility — condition or quality of being impossible.
- in conclusion — to sum up, to conclude
- in silhouette — If you see something in silhouette, you see it as a dark shape with no detail except for the outline.
- in the clouds — a visible collection of particles of water or ice suspended in the air, usually at an elevation above the earth's surface.
- inbounds line — one of two broken lines, parallel to the sidelines and running the length of the field, to which the ball is brought when it goes beyond the sidelines.
- inclinometers — Plural form of inclinometer.
- inclusion map — a map of a set to itself in which each element of a given subset of the set is mapped to itself.
- incognoscible — (rare, dated) Not capable of being known; incomprehensible.
- incombustible — not combustible; incapable of being burned; fireproof.
- incommiscible — not able to be mixed or combined
- incompatibles — not compatible; unable to exist together in harmony: She asked for a divorce because they were utterly incompatible.
- incompossible — incompatible; mutually exclusive
- incondensable — not condensable; incapable of being condensed.
- incongruously — out of keeping or place; inappropriate; unbecoming: an incongruous effect; incongruous behavior.
- inconsciently — in an inconscient manner
- inconstruable — unable to be construed
- incontestable — incapable of being contested; not open to dispute; incontrovertible: incontestable proof.
- incontestably — incapable of being contested; not open to dispute; incontrovertible: incontestable proof.
- incontestible — Alternative spelling of incontestable.
- inconversable — (obsolete) uncommunicative; reserved.
- incorrigibles — Plural form of incorrigible.
- incredulously — not credulous; disinclined or indisposed to believe; skeptical.
- indigo squill — wild hyacinth.
- indissociable — Unable to be dissociated.
- indissociably — In a way that does not allow dissociation; having an inextricable link.
- indissolvable — Not dissolvable; incapable of being dissolved or separated.
- industriously — working energetically and devotedly; hard-working; diligent: an industrious person.
- infant school — In Britain, an infant school is a school for children between the ages of five and seven.
- infiltrations — Plural form of infiltration.
- inflammations — Plural form of inflammation.
- inflorescence — a flowering or blossoming.
- informalities — Plural form of informality.
- informercials — Plural form of informercial.
- infructuously — in an infructuous or unfruitful manner; fruitlessly
- inhospitality — lack of hospitality; inhospitable attitude toward or treatment of visitors, guests, etc.
- injudiciously — not judicious; showing lack of judgment; unwise; imprudent; indiscreet: an injudicious decision.
- inobtrusively — in an unobtrusive manner
- inoffensively — In an inoffensive manner.
- inquisitional — Of or pertaining to an inquisition.
- inquisitorial — of or relating to an inquisitor or inquisition.
- inscriptional — Of or pertaining to inscription.
- insectologist — a person who studies insectology
- insociability — the state or quality of being insociable