insidiosus

Latin

Etymology

From īnsidiae (“a lying in wait, an ambush, artifice, stratagem”) +‎ -ōsus, from īnsideō (“sit in or on”), from in (“in, on”) + sedeō (“sit”).

Pronunciation

Adjective

īnsidiōsus (feminine īnsidiōsa, neuter īnsidiōsum, comparative īnsidiōsior, superlative īnsidiōsissimus); first/second-declension adjective

  1. cunning, deceitful, insidious
  2. dangerous, hazardous

Declension

First/second-declension adjective.

singular plural
masculine feminine neuter masculine feminine neuter
nominative īnsidiōsus īnsidiōsa īnsidiōsum īnsidiōsī īnsidiōsae īnsidiōsa
genitive īnsidiōsī īnsidiōsae īnsidiōsī īnsidiōsōrum īnsidiōsārum īnsidiōsōrum
dative īnsidiōsō īnsidiōsae īnsidiōsō īnsidiōsīs
accusative īnsidiōsum īnsidiōsam īnsidiōsum īnsidiōsōs īnsidiōsās īnsidiōsa
ablative īnsidiōsō īnsidiōsā īnsidiōsō īnsidiōsīs
vocative īnsidiōse īnsidiōsa īnsidiōsum īnsidiōsī īnsidiōsae īnsidiōsa

Derived terms

Descendants

  • Catalan: insidiós
  • English: insidious
  • French: insidieux
  • Italian: insidioso
  • Portuguese: insidioso
  • Romanian: insidios
  • Spanish: insidioso

References

  • “insidiosus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • “insidiosus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • insidiosus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
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