Word Meanings - INSIDIOUS - Book Publishers vocabulary database

insidere to sit in; pref. in- + sedere to sit: cf. F. insidieux. See 1. Lying in wait; watching an opportunity to insnare or entrap; deceitful; sly; treacherous; -- said of persons; as, the insidious foe. "The insidious witch." Cowper. 2. Intended

Additional info about word: INSIDIOUS

insidere to sit in; pref. in- + sedere to sit: cf. F. insidieux. See 1. Lying in wait; watching an opportunity to insnare or entrap; deceitful; sly; treacherous; -- said of persons; as, the insidious foe. "The insidious witch." Cowper. 2. Intended to entrap; characterized by treachery and deceit; as, insidious arts. The insidious whisper of the bad angel. Hawthorne. Insidious disease , a disease existing, without marked symptoms, but ready to become active upon some slight occasion; a disease not appearing to be as bad as it really is. Syn. -- Crafty; wily; artful; sly; designing; guileful; circumventive; treacherous; deceitful; deceptive. -- In*sid"i*ous*ly, adv. -- In*sid"i*ous*ness, n.

Possible synonyms: (Same meaning words of INSIDIOUS)

• Perfidious
• false
• treacherous
• faithless
• traitorous
• deceptive
• disloyal
• insidious

Related words: (words related to INSIDIOUS)

• FALSENESS
  The state of being false; contrariety to the fact; inaccuracy; want of integrity or uprightness; double dealing; unfaithfulness; treachery; perfidy; as, the falseness of a report, a drawing, or a singer's notes; the falseness of a man, or of his
• INSIDIOUS
  insidere to sit in; pref. in- + sedere to sit: cf. F. insidieux. See 1. Lying in wait; watching an opportunity to insnare or entrap; deceitful; sly; treacherous; -- said of persons; as, the insidious foe. "The insidious witch." Cowper. 2. Intended
• FALSE-FACED
  Hypocritical. Shak.
• FAITHLESS
  1. Not believing; not giving credit. Be not faithless, but believing. John xx. 27. 2. Not believing on God or religion; specifically, not believing in the Christian religion. Shak. 3. Not observant of promises or covenants. 4. Not true
• FALSETTO
  A false or artificial voice; that voice in a man which lies above his natural voice; the male counter tenor or alto voice. See Head voice, under Voice.
• TREACHEROUS
  Like a traitor; involving treachery; violating allegiance or faith pledged; traitorous to the state or sovereign; perfidious in private life; betraying a trust; faithless. Loyal father of a treacherous son. Shak. The treacherous smile, a mask for
• DISLOYALLY
  In a disloyal manner.
• FALSE
  Not in tune. False arch , a member having the appearance of an arch, though not of arch construction. -- False attic, an architectural erection above the main cornice, concealing a roof, but not having windows or inclosing rooms. -- False bearing,
• DISLOYALTY
  Want of loyalty; lack of fidelity; violation of allegiance.
• TRAITOROUS
  1. Guilty of treason; treacherous; perfidious; faithless; as, a traitorous officer or subject. Shak. 2. Consisting in treason; partaking of treason; implying breach of allegiance; as, a traitorous scheme. -- Trai"tor*ous*ly, adv. -- Trai"tor*ous*ness,
• FALSE-HEARTED
  Hollow or unsound at the core; treacherous; deceitful; perfidious. Bacon. -- False"*heart`ed*ness, n. Bp. Stillingfleet.
• DISLOYAL
  Not loyal; not true to a sovereign or lawful superior, or to the government under which one lives; false where allegiance is due; faithless; as, a subject disloyal to the king; a husband disloyal to his wife. Without a thought disloyal.
• DECEPTIVELY
  In a manner to deceive.
• FALSEHOOD
  1. Want of truth or accuracy; an untrue assertion or representation; error; misrepresentation; falsity. Though it be a lie in the clock, it is but a falsehood in the hand of the dial when pointing at a wrong hour, if rightly following the direction
• FALSER
  A deceiver. Spenser.
• FALSELY
  In a false manner; erroneously; not truly; perfidiously or treacherously. "O falsely, falsely murdered." Shak. Oppositions of science, falsely so called. 1 Tim. vi. 20. Will ye steal, murder . . . and swear falsely Jer. vii. 9.
• PERFIDIOUS
  1. Guilty of perfidy; violating good faith or vows; false to trust or confidence reposed; teacherous; faithless; as, a perfidious friend. Shak. 2. Involving, or characterized by, perfidy. "Involved in this perfidious fraud." Milton.
• DECEPTIVENESS
  The power or habit of deceiving; tendency or aptness to deceive.
• FALSE-HEART
  False-hearted. Shak.
• DECEPTIVE
  Tending to deceive; having power to mislead, or impress with false opinions; as, a deceptive countenance or appearance. Language altogether deceptive, and hiding the deeper reality from our eyes. Trench. Deceptive cadence , a cadence