junk
[noun]
Synonyms: rubbish, clutter, debris, litter, odds and ends, refuse, scrap, trash, waste

[TahlilGaran] English Synonym Dictionary ▲

I. ˈjunk food (also junk) noun [uncountable]
informal food that is not healthy, for example because it contains a lot of fat, sugar etc ⇒ fast food

[TahlilGaran] Dictionary of Contemporary English ▲

II. junk¹ /dʒʌŋk/ noun
[Sense 1-2: Date: 1300-1400; Origin: Perhaps from Old French jonc 'reed']
[Sense 3: Date: 1500-1600; Language: Portuguese; Origin: junco, from Javanese jon]

1. [uncountable] old or unwanted objects that have no use or value:
This cupboard’s full of junk.
► Do not use junk when you are talking about things such as empty packets, cans, and bottles that are left in a public place. Use litter: Don’t drop litter in the street.

2. [uncountable] junk food

3. [countable] a Chinese sailing boat

[TahlilGaran] Dictionary of Contemporary English ▲

III. junk² verb [transitive]
to get rid of something because it is old or useless

[TahlilGaran] Dictionary of Contemporary English ▲

junk
noun
ADJ. old sculptures made from old junk and scrap metal
QUANT. bit, piece There were bits of junk lying around.
JUNK + VERB lie about/around
JUNK + NOUN shop | room They cleared out the junk room to make a tiny bedroom.
heap | material He made the boat out of junk materials.

[TahlilGaran] Collocations Dictionary ▲

junk
noun
BAD: If you are caught dropping junk in the street, you are fined.
GOOD: If you are caught dropping litter in the street, you are fined.

Usage Note:
junk = (informal) anything that you consider to be worthless or useless: 'The garden shed was full of old junk that hadn't been used for years.'
litter = things such as empty packets, cans and bottles that are left in a public place: 'You can be fined up to £100 for dropping litter.'

[TahlilGaran] Dictionary of Common Errors ▲