It sounded ludicrous in the sombre stillness of the room.
It had sounded ludicrous even to his own ears.
If this sounds ludicrous to you, rest assured that many established scientists agree.
That claim sounds pretty ludicrous on its face.
What sounded ludicrous to you before might sound logical now, but it is not.
The sentence sounded ludicrous, as if Marcus were some child who had to be humoured.
I know it sounds ludicrous when we're sitting here talking and drinking tea, but he never quite let go of me.
That sounded ludicrous then, and more so now.
The idea of building a theme park out here sounds ludicrous to me.
A generation from now, it may sound equally ludicrous, as perhaps it should.