subordinating conjunction - definition and synonyms

noun [countable] linguistics 

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/səˌbɔː(r)dɪneɪtɪŋ kənˈdʒʌŋkʃ(ə)n/
singularsubordinating conjunction
pluralsubordinating conjunctions
  1. a conjunction such as ‘because’, ‘while’, ‘although’, or ‘in case’ that begins a subordinate clause and connects it to an independent clause or other unit in the sentence. For example in the sentenceI refused to comment because I didn’t have all the facts’, ‘because’ is a subordinating conjunction.
     Synonyms and related words