ignorant
Without schooling, even naturally intelligent children grow up ignorant. He was completely ignorant of what had been going on that week. lag I have jet lag because I just arrived here after a 15-hour flight from New York. You're the one who wanted to go on a long hike, so don't lag behind and complain. There was a long lag between two of our flights, but generally, the trip was pleasant. landmark The government made a landmark decision to build an industrial park in this area. The tall building is a landmark where people meet from time to time. landslide The typhoon caused several landslides in mountain villages.