Heads would assume increasingly ominous significance in Wilmarth's work.
Projections beyond the next year or so look increasingly ominous.
I must say, Joseph, that the absence of the man you know as Kaiser seems to me increasingly ominous.
Even before Iraq's invasion of Kuwait, America's energy situation was looking increasingly ominous.
Official press accounts have painted an increasingly ominous picture of the showdown expected in the weeks after the Soviet withdrawal.
In the late 1940s and 1950s the threat from the Chinese grew increasingly ominous.
The trouble and expense he had gone to to get himself on board looked increasingly ominous, I thought.
One that has become increasingly ominous of late is the struggle among Russia's constituent regions.
The rumbling behind them sounds increasingly ominous and finally they start running full tilt.
The churning ocean took on more distinct and increasingly ominous details as she continued to fall.