To maintain a commitment (as, to a proposition or role)
To rob at gunpoint.
To speak or act in defence (of).
To defy, to confront, to stand up to.
To be prominent; to point upwards.
Used other than figuratively or idiomatically: see stick, up. To put or post up by sticking.
To commit oneself (to an obligation, activity etc.).
To pass a slower moving vehicle on the curbside rather than on the side closest to oncoming traffic.
To take upon oneself; to start, to embark on (a specific task etc.).
The passing of slower traffic on the curbside rather than on the side closest to oncoming traffic.