Boats (people) can communicate silently with flags or light signals.
when you want to kill silently
He walked silently through the forest, careful not to disturb the wildlife.
They have radios stationed in all boats. <><><> Well, there are radios in MOST ships, and many boats. Besides radio, ships communicate with each other by horn signals. There is a standard set of signals that indicate actions that a ship is about to take.
The Biped stood there silently.
Do boats use sonar. Yes they do.
The telegraph was installed on boats so they could communicate with the headquaters.
Silently is spelled S-I-L-E-N-T-L-Y.
No, "silently" is an adverb, not a verb. It describes how something is done in a quiet or noiseless manner.
The gutsy soldier just silently grimaced.
Dolphins use echolocation to communicate with each other. Bats use it so they dont fly into things like trees. Boats and submarines use it to locate where each other are so they can fire bombs at one another.
The Moon is Silently Singing is a minimalist composition by David Hamilton. He uses minimalistic techniques such as... (click to read more)
yes, owls do fly silently, the reasoning for this is so that they can stalk their prey and catch them silently