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decay

verb/dəˈkeɪ/

to slowly go bad or fall apart over time

Over time, your teeth will decay if you do not take care of them.

rotgo badbreak down
word origin — late Middle English: from Old French decair, based on Latin decidere ‘fall down or off’, from de- ‘from’ + cadere ‘fall’

Intermediate — Set 10

Set 10 of Intermediate covers 5 words: decay, occur, agree, tear, deceive. Each entry below includes its definition, an example sentence, and synonyms — practice them with the interactive cards above.

  1. decay · verb/dəˈkeɪ/

    to slowly go bad or fall apart over time

    Over time, your teeth will decay if you do not take care of them.

    Synonyms: rot, go bad, break down

    Origin: late Middle English: from Old French decair, based on Latin decidere ‘fall down or off’, from de- ‘from’ + cadere ‘fall’

  2. occur · verb/əˈkər/

    happen

    Accidents rarely occur in this town as we have very careful drivers.

    Synonyms: happen, take place, come about

    Origin: late 15th century: from Latin occurrere ‘go to meet, present itself’, from ob- ‘against’ + currere ‘to run’

  3. agree · verb/əˈɡri/

    to have the same opinion as someone; to accept an idea or plan

    We don't always agree about everything but we are still very good friends.

    Synonyms: accept, consent

    Origin: late Middle English: from Old French agreer, based on Latin ad- ‘to’ + gratus ‘pleasing’

  4. tear · verb/tɛr/

    to pull paper or cloth apart so that it splits

    You will get a piece of paper. Please tear it into four pieces and give one piece to every person.

    Synonyms: rip, split, pull apart

    Origin: Old English teran, of Germanic origin; related to Dutch teren and German zehren, from an Indo-European root shared by Greek derein ‘flay’. The noun dates from the early 17th century

  5. deceive · verb/dəˈsiv/

    to make someone believe something that is not true

    You should not deceive your customers with false advertising.

    Synonyms: cheat, trick, fool

    Origin: Middle English: from Old French deceivre, from Latin decipere ‘catch, ensnare, cheat’