unwary

adj. not cautious, careless

Adjective
1. not alert to danger or deception; "the shrieks of unwary animals taken by surprise"; "some thieves prey especially on unwary travelers"; "seduce the unwary reader into easy acquiescence"- O.J.Campbell
(antonym) wary
(similar) gullible
(attribute) wariness, chariness

(a.)
Unexpected; unforeseen; unware.
  

(a.)
Not vigilant against danger; not wary or cautious; unguarded; precipitate; heedless; careless.
  

      runway

adj.
بے خبر, بے احتياط, غافل, جلد باز