all along

all along idiom
From the start, throughout, from end to end, as in I've known he was innocent all along. [c. 1600] Also see all along the line.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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