Sean Hannity versus Michael Savage—these two conservative radio hosts have recently ratchet up their rivalry.
Though the Iran issue has been largely muted during the campaign, it is likely ratchet up again after the vote.
Every message, action and gesture seems calculated to ratchet up the anxiety of those who are listening.
At the same time, they argue that federal student loans have allowed schools to ratchet up tuition.
And it is also obviously intended to deflect American efforts to ratchet up economic sanctions against Iran.
In a move to ratchet up pressure on Obama, Gutiérrez got himself arrested outside the White House at a May rally.
Doing so will ratchet up your social security benefit, and also, give you more time to save.
You should ratchet up the sanction and make it clear to Iran that they won't get away with it.
And the Army must use incidents like this to ratchet up efforts to stop sexual predators in their ranks before they can attack.
The Republican primary season only served to ratchet up those expectations.
1650s, rochet, from French rochet "bobbin, spindle," from Italian rocchetto "spool, ratchet," diminutive of rocca "distaff," possibly from a Germanic source (cf. Old High German rocko "distaff," Old Norse rokkr), from Proto-Germanic *rukka-, from PIE root *ruk- "fabric, spun yarn." Cf. rocket (n.2). Current spelling in English dates from 1721, influenced by synonymous ratch, which perhaps is borrowed from German Rätsche "ratchet."
1852, from ratchet (n.). Transferred sense attested by 1977. Related: Ratcheted; ratcheting.
To change by increments in one direction: Gold had ratcheted down to 385
[1977+; fr the ratchet action of a winch or of a wrench, where an increasing pressure, torque, pull, etc, is registered by the clicking of a pawl on a gear wheel]