gravel

Noun

• rock fragments and pebbles

Verb

• be a mystery or bewildering to
  • This beats me!
    
  • Got me--I don't know the answer!
    
  • a vexing problem
    
  • This question really stuck me
    

• cover with gravel
  • We gravelled the driveway
    

• cause annoyance in; disturb, especially by minor irritations
  • Mosquitoes buzzing in my ear really bothers me
    
  • It irritates me that she never closes the door after she leaves
    

Related words

• Synonyms: 
  crushed rock , perplex , vex , stick , get , puzzle , mystify , baffle , beat , pose , bewilder