HIGH

[adjective] -er, -estHe was high on drugs and couldn't think straight.(informal) She was as high as a kite (= She was greatly under the influence of drugs).(informal) High jinks is energetic behaviour in which people do amusing or entertaining things for their own enjoyment.Okay, class, settle down. That's enough high jinks for one lesson.If someone is in high spirits, they are extremely happy and enjoying themselves.They'd had a couple of drinks and were in high spirits.Someone who is high-spirited is energetic and happy and likes doing exciting and enjoyable things.You ought to invite Jackie to your party - she's very high-spirited and always livens things up.If a horse is high-spirited, it is very active and therefore difficult to control.