adj

• (dialectal) Mellow; soft; (of ground or soil) easily turned; fertile.
• (of vegetation) Dense, teeming with life; luxuriant.
  "Some of the world’s best rain forest and volcanic hiking can be found within the lush canopied Caribbean trail systems. Chock-full of waterfalls and hot springs, bright-colored birds and howling monkeys, flora-lined trails cut through thick, fragrant forests and up cloud-covered mountains."
• (of food) Savoury, delicious.
  "That meal was lush! We have to go to that restaurant again sometime!"
• (British, slang) Beautiful, sexy.
  "Boys with long hair are lush!"

noun

• (slang, derogatory) A drunkard, sot, alcoholic.
  "Overaged and lecherous lushes at office parties profaning the text, music, and meaning of Christmas carols."
• (slang) Intoxicating liquor.
  "I took my flogging like a stone. If I had sung, some of the convicts would have given me some lush with a locust in it (laudanum hocussing), and when I was asleep would have given me a crack on the head that would have laid me straight."
• (Hawaii, Pidgin, slang) A person who enjoys talking about themselves.
  "Am I humble or am I a lush?"

adj

• (slang) Drunk; inebriated.
  "“’E generally goes down there when ’e’s got ’is skinful, beggin’ your pardon, sir, an’ they do say that the more lush — in-he-briated ’e is, the more fish ’e catches.”"

verb

• (ambitransitive) To drink (liquor) to excess.