Synonyms

Step 1: Understanding the meaning of "Careen": "Careen" means to move swiftly and in an uncontrolled way, often swaying or lurching from side to side.

Step 2: Analyzing each option:
Wobble: To move unsteadily from side to side --- correct synonym.
Cave in: To collapse inward --- incorrect.
Caring: Showing concern --- unrelated.
Capture: To seize or take possession --- unrelated.

Thus, the synonym of "Careen" is Wobble.