It was not so much that the portolan's system was physically exhausting, she decided, but that it demanded the pilot's attention for such long periods of time.

This can be physically exhausting and can often lead to short and long-term health problems.

Steve took his usual vacation job at his father's printing works; it was long hours, and physically exhausting, but an undeniable relief for him.

Blanchard found the shooting to be physically exhausting and collapsed on the set.

Pressing is physically exhausting, demanding perpetual running.

One of the best cures for insomnia is making yourself physically tired by gardening, swimming, tennis, golf, skiing, or by just plain physically exhausting work.

Teaching in such a transient classroom is physically exhausting, she said.

Replicating the enzyme had been the easy part; devising a mechanism to deliver the enzyme to the test subject required a singular, but physically exhausting, focus.

"It was physically exhausting," she said.