12-letter words containing si
- indecisively — characterized by indecision, as persons; irresolute; undecided.
- indefeasible — not defeasible; not to be annulled or made void; not forfeitable.
- indefeasibly — In an indefeasible manner.
- indefensible — not justifiable; inexcusable: indefensible behavior.
- indefensibly — In an indefensible manner.
- index fossil — a widely distributed fossil, of narrow range in time, regarded as characteristic of a given geological formation, used especially in determining the age of related formations.
- indigenising — to make indigenous.
- inexpansible — unable to be expanded
- inexpressive — not expressive; lacking in expression.
- inextensible — not extensible; incapable of being extended or stretched.
- infusibility — Incapability or difficulty of being fused, melted, or dissolved.
- initialising — to set (variables, counters, switches, etc.) to their starting values at the beginning of a program or subprogram.
- inquisitions — Plural form of inquisition.
- inquisitress — a woman who makes an inquisition.
- inside right — (esp formerly) a player having mainly midfield and attacking roles
- inside track — the inner, or shorter, track of a racecourse.
- insightfully — characterized by or displaying insight; perceptive.
- insinuations — Plural form of insinuation.
- insubmission — Lack of submission; disobedience.
- insubmissive — Unwilling to submit; not submissive, disobedient.
- intensifiers — Plural form of intensifier.
- intensifying — Present participle of intensify.
- intensivists — Plural form of intensivist.
- intercession — an act or instance of interceding.
- interclusion — the act of intercluding
- interkinesis — interphase.
- intermission — a short interval between the acts of a play or parts of a public performance, usually a period of approximately 10 or 15 minutes, allowing the performers and audience a rest.
- intermissive — of, relating to, or characterized by intermission.
- intersession — a period between two academic terms.
- intervarsity — any first-string team, especially in sports, that represents a school, college, university, or the like: He is on the varsity in tennis and in debating.
- intervisible — (surveying) Mutually visible; each in sight of the other.
- intransigent — refusing to agree or compromise; uncompromising; inflexible.
- intransitive — noting or having the quality of an intransitive verb.
- intravesical — Within the urinary bladder.
- intrinsicate — (obsolete) intricate.
- intromission — to send, put, or let in; introduce; admit.
- introversion — the act of introverting or the state of being introverted.
- introversive — the act of introverting or the state of being introverted.
- intrusionist — a person who intrudes
- invasiveness — The quality of being invasive.
- invisibility — not visible; not perceptible by the eye: invisible fluid.
- ionophoresis — electrophoresis, esp of small ions
- irremissible — not remissible; unpardonable, as a sin.
- irremissibly — In an irremissible manner; unpardonably.
- irresistable — Misspelling of irresistible.
- irresistably — Misspelling of irresistibly.
- irresistance — (archaic) passive submission; lack of resistance.
- irresistible — not resistible; incapable of being resisted or withstood: an irresistible impulse.
- irresistibly — not resistible; incapable of being resisted or withstood: an irresistible impulse.
- irresponsive — not responsive; not responding, or not responding readily, as in speech, action, or feeling.