USCG Navigation Rules International (i) /Inland (h)
General
Rules 3-Continued
The word "Underway" means that a vessel is not at anchor, or made fast to the shore, or aground;
There is a link provided below with more info on underway vessels.
The cast of Underway - 2009 includes: Victoria Gallegos as Jasmine
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Underway - 2009 was released on: USA: 23 April 2009 (White Sands International Film Festival)
Some synonyms for underway are, moving, making progress, started, initiated, and under construction. These are the words that are synonyms for undertaken.
I think the word "ongoing" is only one word, but it has two syllables that are two separate words.
Array Bombay Cafe Defray
life preserver
search underway!
The proper term is "Underway Submerged"
A vessel at sea is said to be underway.
For those using sails, it means reducing the area of exposed sail to add safety and stability to the boat. http://en.wikipedia.org/wiki/Reefing
In Hawaii, children 12 and under must wear a properly fitting PFD while underway!