• This is an airmail letter from my pen pal in Timbuctoo. (Adjective) 
  • She sent it airmail and I’m still waiting for it. (Adverb)
  • She alone knew what happened that night. (Adjective)
  • She raised twenty puppies alone. (Adverb)
  • He lost his wallet to a pickpocket when he kept it in his back pocket. (Adjective) 
  • We have not seen him since he borrowed a big sum of money from us several years back. (Adverb)
  • He seemed to think there’s no better way of getting money than stealing it. (Adjective)
  • You cannot possibly speak better with your mouth full of crisps. (Adverb)
  • I had a cheap fruit juice that tasted like tap water. (Adjective)
  • These imported lollipops don’t come cheap. (Adverb)
  • Your grandmother and my grandfather are close in age. (Adjective)
  • Someone parked his truck so close in front of my car. (Adverb)
  • The drunken driver drove his car into a deep ravine. (Adjective)
  • They walked deep into the cave in search of treasure. (Adverb)
  • There was no direct route to the cove, so we went around the hill. (Adjective)
  • She went direct to the manager with the complaint. (Adverb)
  • We booked a room with a double bed to share among the three of us. (Adjective)
  • He was so drunk that he saw double and counted more people than there were. (Adverb) 
  • Poor diet can lead to early death. (Adjective).
  • We arrived early but the queue had already stretched for more than a mile. (Adverb)
  • The losing team complained the field was not even. (Adjective)
  • Her pet cat is fat, but her pet dog is even fatter. (Adverb)
  • It's not fair that I should get a slice of the pizza while he got two slices. (Adjective)
  • He believed if he played fair, he would lose so he cheated. (Adverb)
  • A flock of pigeons is cooing at the far end of the field. (Adjective)
  • They found their missing great grandfather wandering far from home. (Adverb)
  • My big aunt is a fast eater, a lot faster than me. (Adjective)
  • I acted fast in shouting "fire" and everyone dashed for the exit. (Adverb)
  • Last night, she saw a ghost for the first time in her life. (Adjective)
  • It seemed you had to talk to the father first before you could talk to the daughter. (Adverb)