Insidious, a.
- 1. Artful, sly, wily, guileful, arch, crafty, cunning, subtle, intriguing, designing, deceitful, treacherous, crooked,
trickish, tricky, foxy, snaky, diplomatic, Machiavelian.
- 2. Secret, deceptive, that creeps upon one unawares, delusively gradual.
Insight, n.
- 1. Deep view, thorough knowledge, discerning look, intelligent grasp.
- 2. Discernment, penetration, penetrating vision or judgment, spontaneous understanding, quick perception.
Insignia, n. pl. [L.] Badges of office, marks of distinction.
Insignificance, n. Unimportance, paltriness, triviality, emptiness, nothingness.
Insignificant, a.
- 1. Without meaning, not significant.
- 2. Unimportant, paltry, petty, empty, trivial, trifling, immaterial, unessential, of little consequence, of little
account, of no moment.
Insincere, a. False, faithless, truthless, untrue, disingenuous, uncandid, dishonest, hollow, hypocritical, pharisaical, double-tongued, double-faced, dissimulating, dissembling.
Insincerity, n. Duplicity, hypocrisy, dissimulation, deceitfulness, disingenuousness, dishonesty, falseness, faithlessness, bad faith.
Insinuate, v. a.
- 1. Introduce gently.
- 2. Ingratiate, push artfully.
- 3. Instil (artfully), infuse, inculcate.
- 4. Hint, suggest, intimate, hint or suggest remotely (something unfavorable or discreditable).
Insinuation, n.
- 1. Infusion, instillation, gentle introduction.
- 2. Ingratiating one’s self, getting one’s self into favor.