when : Idioms & Phrases


only when

  • adverb never except when
    only; only if.
    • call me only if your cold gets worse
WordNet

When as, When that

  • at the time that; when. Obs.
Webster 1913

when first seen

  • adverb as a first impression
    at first blush.
    • at first blush the offer seemed attractive
WordNet

when the time comes

  • adverb at the appropriate time
    in due time; in due season; in due course; in good time.
    • we'll get to this question in due course
WordNet