10-letter words containing o, s, i, r
- igniferous — (rare) Producing fire.
- ignorances — the state or fact of being ignorant; lack of knowledge, learning, information, etc.
- ill-sorted — badly matched; poorly arranged.
- illusorily — causing illusion; deceptive; misleading.
- illustrous — (obsolete, rare) Without lustre.
- imbroglios — Plural form of imbroglio.
- immeritous — (obsolete) undeserving.
- immersions — Plural form of immersion.
- immoralism — indifference toward or opposition to conventional morality.
- immoralist — indifference toward or opposition to conventional morality.
- imperators — Plural form of imperator.
- impersonal — not personal; without reference or connection to a particular person: an impersonal remark.
- impervious — not permitting penetration or passage; impenetrable: The coat is impervious to rain.
- importunes — Third-person singular simple present indicative form of importune.
- impostrous — (archaic) Characterized by imposture; deceitful.
- impostures — Plural form of imposture.
- impoverish — to reduce to poverty: a country impoverished by war.
- impresario — a person who organizes or manages public entertainments, especially operas, ballets, or concerts.
- impression — a strong effect produced on the intellect, feelings, conscience, etc.
- imprisoned — to confine in or as if in a prison.
- imprisoner — to confine in or as if in a prison.
- impromptus — made or done without previous preparation: an impromptu address to the unexpected crowds.
- improvised — made or said without previous preparation: an improvised skit.
- improviser — to compose and perform or deliver without previous preparation; extemporize: to improvise an acceptance speech.
- improvises — Third-person singular simple present indicative form of improvise.
- inamoratas — Plural form of inamorata.
- inamoratos — Plural form of inamorato.
- inbornness — The quality or state of being inborn.
- incisiform — having the shape of an incisor tooth
- incisorial — of or relating to the incisors
- incubators — Plural form of incubator.
- incursions — Plural form of incursion.
- indecorous — not decorous; violating generally accepted standards of good taste or propriety; unseemly.
- indextrous — not possessing dexterity
- indicators — Plural form of indicator.
- industrio- — industrial, industrial and
- informants — Plural form of informant.
- infosphere — electronic communication and networking as a whole
- infraposed — placed beneath
- infrasonic — noting or pertaining to a sound wave with a frequency below the audio-frequency range.
- infrasound — sound with frequencies below the audible range.
- infusorial — pertaining to, containing, or consisting of infusorians: infusorial earth.
- infusorian — any of the Infusoria.
- infusorium — (biology) An individual of the infusoria.
- inglorious — shameful; disgraceful: inglorious retreat.
- ingression — the act of going in or entering.
- inhabitors — Plural form of inhabitor.
- inhalators — Plural form of inhalator.
- inheritors — a person who inherits; heir.
- inhibitors — Plural form of inhibitor.