Forward and/or backward, relative to some defined direction.
Relating to length, or to longitude.
Running in the direction of the long axis of a body.
Sampling data over time rather than merely once.
Any longitudinal piece, as in shipbuilding etc.
A railway sleeper lying parallel with the rail.
Moving or directed toward one side.
Not as planned; towards a worse outcome.
In conflict (with); not compatible (with).
Positioned sideways (with a side to the front).
Neither moving upward nor moving downward.
Askance; sidelong.
With a side to the front.
Neither upward nor downward.
Towards one side.