What does dismast mean?
Dismast is a transitive verb used chiefly in nautical contexts to describe the loss of a ship's masts — whether snapped by hurricane-force winds, shot away in battle, or wrecked on rocks. A dismasted vessel loses its primary means of propulsion and steering under sail, often leaving the crew to improvise with jury rigs or drift at the mercy of wind and current. The word appears frequently in maritime histories, survival narratives, and reports of storms at sea, carrying connotations of sudden catastrophe and vulnerability. It can occasionally be applied more broadly to any structure stripped of its principal upright members, though this extended use is uncommon. Formed simply from the prefix 'dis-' plus 'mast', it transparently signals its own meaning. For readers of sea fiction, naval accounts, or disaster reportage, 'dismasted' is an evocative term that instantly conjures the image of a crippled ship.
verbTo dismast a ship is to break or carry away its masts, typically during a storm or battle. By extension, it can describe stripping anything of its principal upright supports.
- To break off or carry away the masts of (a ship), especially in a storm or naval battle.
- (Figurative or extended) To deprive something of its chief upright supports or mainstays.
"The storm dismasted the schooner, leaving it to drift helplessly for days."
"The gale dismasted three fishing boats within hours of making landfall."
"After being dismasted mid-Atlantic, the crew jury-rigged a spar to limp into port."
A single rogue wave could leave an entire warship 'dismasted' — reduced to a drifting hulk by losing the very poles that made it sail.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of dismast
Dismast is formed from the prefix 'dis-' (indicating removal or deprivation) attached to 'mast', the noun for a ship's upright spar, which itself derives from Old English 'mæst', cognate with German 'Mast' and Dutch 'mast'. The verb emerged in English in the 16th–17th century as maritime vocabulary expanded alongside ocean-going trade and warfare. Its relatives are largely compounds built on 'mast' itself — topmast, foremast, mainmast — rather than distant cognates from other roots.
How dismast is actually used
Chiefly nautical and somewhat formal or historical in register; common in accounts of shipwrecks, naval history, and sailing literature. The figurative sense is rare.
Easily confused with dismast
'Demast' is a rare variant spelling; 'dismast' is the standard form meaning to strip a vessel of its masts.