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Decrease vs Undermine - What's the difference?

decrease | undermine |

As verbs the difference between decrease and undermine

is that decrease is of a quantity, to become smaller while undermine is to dig underneath (something), to make a passage or for destructive or military purposes; to sap.

As a noun decrease

is an amount by which a quantity is decreased.

decrease

English

Verb

(decreas)
  • Of a quantity, to become smaller.
  • To make (a quantity) smaller.
  • Synonyms

    * (become smaller) drop, fall, go down, plummet (rapidly), plunge (rapidly), reduce, shrink, sink * (make smaller) abate, cut, decrement, lower, reduce

    Antonyms

    * (become larger) go up, grow, increase, rise, soar (rapidly), shoot up (rapidly) * (make larger) increase, increment, raise, up (informal)

    Noun

    (en noun)
  • An amount by which a quantity is decreased.
  • (knitting) A reduction in the number of stitches, usually accomplished by suspending the stitch to be decreased from another existing stitch or by knitting it together with another stitch. See .
  • Synonyms

    * (amount by which a quantity is decreased) cut, decrement, drop, fall, loss, lowering, reduction, shrinkage

    Antonyms

    * (amount by which a quantity is decreased) gain, increase, increment, raise , rise

    undermine

    English

    Verb

    (undermin)
  • To dig underneath (something), to make a passage or for destructive or military purposes; to sap.
  • * 2009 , (Diarmaid MacCulloch), A History of Christianity , Penguin 2010, p. 312:
  • Martin, for instance, had on one occasion undermined a tree sacred to old gods, then stood in the path of its fall, but forced it to fall elsewhere by making the sign of the Cross.
  • (figuratively) To weaken or work against; to hinder, sabotage.
  • * {{quote-news, year=2012, date=April 19, author=Josh Halliday, work=the Guardian
  • , title= Free speech haven or lawless cesspool – can the internet be civilised? , passage=The growing use of social media to spread anger and dissent in the Arab world has been hailed by western governments as one of the chief justifications for a completely unfettered internet. The US is reportedly funding the secret rollout of technology in Iran in an effort to undermine internet censors in the country.}}

    Antonyms

    * undergird