Antagonyms

An antagonym is defined as a single word that has [at least two] meanings that contradict each other.

Favorites:
* Anxious: Full of mental distress because of apprehension of danger or misfortune [in effect, seeking to avoid] (We were anxious about the nearby gunshots.) vs. Eager or looking forward to (Until you returned, I was anxious to see you.)
* Apparent: Not clear or certain (For now, he is the apparent winner of the contest.) vs. Obvious (The solution to the problem was apparent to all.)
* Bound: Moving ("I was bound for Chicago") vs. Unable to move ("I was bound to a post", or less literally, "I was bound to my desk")
* Buckle: to hold together (e.g. buckle your belt) vs. to fall apart (e.g., buckle under pressure)
* Cleave: To adhere tightly vs. To cut apart
* Clip: to attach vs. to cut off
* Last: Just prior vs. final
* Left: To remain vs. to have gone
* Practiced: Experienced, expert (I am practiced in my work) vs. Inexperienced effort (The child practiced coloring.
* Presently: Now vs. after some time
* Root: To establish (The seed took root.) vs. To remove entirely (usually used with "out", e.g., to root out dissenters)
* Secreted: Having put out, released vs. Placed out of sight
* Transparent: Easily seen ("His motives were transparent.") invisible
* Trim: To add things to (trim a Christmas tree) vs. or take pieces off (trim hair)