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sour (EN)
adjectif, verbe

adjectif “sour”

forme de base sour, sourer, sourest (ou more/most)
  1. acide
    To make foods taste more sour, you can add vinegar.
  2. aigre (devenu mauvais)
    The milk went sour, so we'll have to throw it away.
  3. amer
    She spoke in a sour tone, making everyone feel unwelcome.
  4. acide (pour le sol)
    The farmer struggled to grow crops on the sour soil in the back field.

verbe “sour”

infinitif sour; il sours; prét. soured; part. passé soured; gér. souring
  1. gâcher
    The argument soured their friendship, and they stopped talking to each other.
  2. tourner
    The milk soured after being left out of the fridge overnight.