1. (v. t.) To make fresh; to separate, as water, from saline ingredients; to make less salt; as, to freshen water, fish, or flesh.

2. (v. t.) To refresh; to revive.

3. (v. t.) To relieve, as a rope, by change of place where friction wears it; or to renew, as the material used to prevent chafing; as, to freshen a hawse.

4. (v. i.) To grow fresh; to lose saltiness.

5. (v. i.) To grow brisk or strong; as, the wind freshens.

aerate air air out air-condition air-cool airify animate blast bleach blow blow a hurricane blow great guns blow over blow up bluster bowdlerize brace brace up breeze breeze up brew brighten up brisk brisken brush up buck up cheer chill chirk up clean clean out clean up cleanse clear out come up cool cross-ventilate delouse deodorize depurate deterge dry-clean dust dust off enliven exhilarate expurgate fan fix fortify fresh up freshen up furbish furbish up gather huff ice ice-cool increase infrigidate invigorate lace lustrate oxygenate oxygenize perk up pick up pipe up polish polish up puff purge purify quicken rage reanimate recreate reform refresh refreshen refrigerate regale reinvigorate renew renovate repair retouch revitalize revive revivify rouse rub up scavenge set in set up shine spike spruce spruce up squall steam-clean stimulate storm strengthen sweep out sweeten tidy titivate tone up touch up vamp vamp up ventilate vivify waft whiff whiffle whiten wind winnow wipe wipe off wipe out wipe up