not in a fit condition or ready for a sea voyage
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use unseaworthy in a sentence
But our first care was to ballast the sloop, for without it she was so crank as to be unseaworthy.
The remnant was crowded into a single small, unseaworthy brigantine under the command of Francisco Pizarro.South American Fights and Fighters | Cyrus Townsend Brady
The line of corrosion extending around the hull might have weakened her so badly that she was unseaworthy.The Lost Warship | Robert Moore Williams
This attempt to put a heavy armament on the gun-deck made the vessels roll so heavily as to be almost unseaworthy.The Naval History of the United States | Willis J. Abbot.
If only their shipwreck might keep somebody else from putting out to sea in pleasure craft unseaworthy and unlicensed!What Will People Say? | Rupert Hughes