"Miss the boat" or "run a tight ship" (5)

I believe the answer is:

idiom

(Other definitions for idiom that I've seen before include "Phrase such as over the moon" , "Colloquial saying" , "Dialect, vernacular" , "Peculiarity of phrase in a language" , "Characteristic style of a period" .)

I've seen this clue in the Newsday.

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