Lexicon: insanity – insidious

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insanity, n. [L. insānus; unsoundness, unhealthiness.] (webplay: mind).

Madness; state of being unsound in mind.

inscribe (-s), v. [L. inscrībere, write in or on.] (webplay: touch).

  1. Imprint, write; [fig] indicate
  2. Write; engrave for perpetuity or duration; as to inscribe a line of verse on a monument [word play: ED uses the sense of perpetuity as a reference to the memorialization of an individual after death.]

inscrutable, adj. [Fr. < L. inscrūtābilis, search thoroughly.]

Mysterious; cryptic; paradoxical; unrecognizable; not obvious to human reason.

inscrutably, adv. [see inscrutable, adj.]

Mysteriously; unrecognizably; without comprehension; [fig.] divinely.

insect (-'s), n. [Fr. < L. insectum < insecāre, cut into < Gk. ἔντομον, name given to certain.]

  1. Small invertebrate animal; winged creature, breathing by lateral spiracles; being that has articulated extremities and moveable antennae.
  2. Section; segment; small part; being whose body is separated from its spirit; small animal whose body appears divided into parts.

insecure, adj. [L. insecūrus, see secure, adj.] (webplay: fire, truth).

Unsafe; unprotected; exposed to danger, or loss.

insecurity, n. [see security, n.]

Uncertainty; the state or quality of being unsafe; [fig.] fragility.

insert (-ing), v. [Fr. < L. inserere, put in.]

Set in or among.

inside, prep. [in and side, see side, n.]

Interior or internal part of a thing.

insidious, adj. [Fr. < L. insidiōsus.]

Cunning, deceitful. Attendant, ensnaring, deceitful, sly; [fig.] malicious.