Phrasal verbs I-J-K

• idle away
  • Waste time doing nothing much.
    "He idles away hours every day watching television."
    
• iron out
  • Resolve by discussion; eliminate differences.
    "The meeting tomorrow will be an opportunity to iron out difficulties."
    
• impose on/upon
  • Ask too much of someone.
    "Is it alright if I stay? I don't want to impose upon your hospitabity."
    
• improve on/upon
  • Make better.
    The runner trained regularly to improve on his previous performance.
    
• indulge in
  • Allow yourself to enjoy something.
    "I’ve been dieting all week but today I'm going to indulge in a dessert."
    
• insure against
  • Guarantee compensation for damage, injury, etc.
    "The passengers on the boat are all fully insured."
    
• invite out
  • Ask someone to join you for lunch, dinner, etc.
    "Harry invited her out for dinner." 
    


• join in
  • Participate in something.
    "We couldn't persuade Eva to join inthe game. She was too shy."
    
• join up
  • Engage in, become a member of.
    "John was in the army and Tom joined up as soon as he left school."
    
  • Meet and unite with.
    "The two groups of tourists joined up at the hotel."
    
• jot down
  • Take quick notes.
    "I jotted down the address while watching a documentary on television. "
    
• keep at
  • Persevere.
    "His father encouraged him to keep at his studies."
    
• keep back
  • Retain; force to stay back.
    "A barrier will be installed to keep back the fans."
    
• keep on
  • Continue doing something.
    "I told the children to be quiet but they kept on making noise."
    
• keep up with
  • Stay at the same level as someone or something.
    "Bill walks so fast it's difficult to keep up with him."
    
• kneel down
  • Go down on your knees.
    "Most people kneel down to pray."
    
• kick off
  • Begin; start.
    "The football match is planned to kick off at 3 p.m."
    
• knock back
  • Drink quickly (usually alcohol).
    "He knocked back a pint of beer and then went home."
    
• knock down
  • Strike someone or something to the ground.
    "The child was knocked down by a car on the way to school."
    "The tree was knocked down during the storm."
    
• knock out
  • Cause someone to fall unconscious.
    "The boxer was knocked out in the first round."
    
• know of
  • Have heard of; have knowledge about.
    "Do you know of anyone else attending the conference?"