The trees thickened further, as well, so much so that it became steadily harder for the Harley to find a path between them.

Its mass was great enough to attract itself, to hold itself, and it thickened further.

The air thickened still further.

His voice thickened further as his thrusts became faster, stronger.

"No, what'll be pumping is a mixture of chopped up tires dissolved in gasoline, then thickened further with detergent-soap flakes."

The plot thickened further when Anthony somehow wound up at Vanderbilt Hospital after the game.

The com officer's brogue thickened even further.

But the mist thickened further still.

The plot further thickens when Whitehurst's prodigal daughter, Kerry, who has a big drug problem, returns home.

Viennese hot chocolate is very rich, containing heavy cream in addition to chocolate, and sometimes thickened further with egg yolk.