source
Collocations
36(noun.) where you get sth from
ADJ
excellent, fertile, good, lucrative, reliable, rich, valuable
Regular exercise is an excellent source of energy and helps improve your overall health.
important, main, major, principal
cheap
The company found a cheap source of materials from a local supplier.
external, foreign
The company relies on external sources for most of its raw materials.
independent
The journalist relied on an independent source to verify the facts before publishing the story.
additional
alternative
When the main water pipe broke, the town had to find an alternative source for drinking water.
natural
renewable
Solar panels and wind turbines are becoming popular renewable sources of energy.
energy, food, heat, light, power, water
VERB + SOURCE
be, constitute, prove, provide
Solar panels prove an excellent source of renewable energy for many households today.
exploit, tap, use (as)
The company decided to exploit renewable energy sources to reduce its operating costs.
locate
The engineers worked hard to locate the source of the water leak in the building.
PREP
at ~
The company decided to filter out spam emails at source rather than dealing with them later.
~ of
The library became an important source of information for students preparing their exams.
PHRASES
a variety of sources
The news reporter gathered information from a variety of sources before writing the article.
(noun.) person, book, etc. that gives information
ADJ
invaluable, useful, valuable | authoritative, informed, reliable, reputable | unreliable | original | independent | anonymous | primary, secondary | published | biographical, documentary, historical, literary, written
diplomatic, government, intelligence, military, official, police
Government sources confirmed that the new education policy would take effect next year.
data, information
VERB + SOURCE
use (as)
cite, quote
The journalist cited several reliable sources before publishing the article.
disclose, name, reveal
The newspaper disclosed its sources to protect journalists from legal trouble.
SOURCE + VERB
claim sth, describe sth, disclose sth, indicate sth, report sth, reveal sth, say sth, suggest sth
Market sources reported that consumer spending fell sharply during the economic downturn last year.
deny sth
SOURCE + NOUN
material
PREP
according to ~s
According to sources close to the company, the new product will launch in spring.
~ of
PHRASES
sources close to sb
According to sources close to the president, the decision will be announced next week.