careening
UK[kəˈriːnɪŋ]US[kəˈriːnɪŋ]
v
(present participle) Moving swiftly and in an uncontrolled way.
v
(present participle) Tilting or leaning a ship on its side for cleaning or repair.
Morpheme Breakdown
careen
ing
careen
verb base
ing
present participle suffix
Etymology
The word 'careening' originates from the nautical practice of beaching a ship to tilt it onto its side, exposing its keel (Latin carīna) for maintenance. This specific maritime term, entering English via French carène, broadened semantically to describe the ship's unstable, lurching motion during the process. Over time, this vivid imagery of tilting and swaying was abstracted and applied to any rapid, unsteady, or uncontrolled movement, such as a vehicle swerving. Thus, the journey from a precise shipwright's term to a general descriptor of erratic motion encapsulates a classic example of metaphorical extension based on shared visual and kinetic qualities.
Analysis
Structure: careen (verb base) + ing (present participle suffix)
careen: From French carène (ship's keel), from Latin carīna (keel, hull of a ship). Functions as the verb root.
ing: From Old English -ende, -unge, a suffix forming present participles and verbal nouns. Functions as a grammatical suffix indicating ongoing action.
Examples
The truck went careening down the hill, narrowly missing the guardrail.
In the old days, sailors would spend weeks careening their vessel to scrape off barnacles.
Losing control of the shopping cart, she sent it careening into a display of canned goods.