Crossword clues for Be useful to 5 letters:USINGAC/DC: "She's ___ her head again"USINGDrawing onUSINGTreating shabbilyUSINGPutting to a purposeUSINGHandling.USINGApplying to a purpose.USINGWieldingUSINGIncorporatingUSINGTaking advantage ofUSEESPlaintiffsUSINGMaking a practice of.USINGManipulatingUSINGBy way ofUSINGIt follows a good shakeUSINGViaUSINGExhaustingUSEESBenefiters of a suit: Law.USINGPutting to serviceUSEESPlaintiffs of a sortUSINGTaking habituallyUSINGLike crackheadsUSINGFinding a purpose forUSINGOn, as medicationUSINGOn drugs, sayUSINGMaking serve.USINGConsuming.USINGTreating.USINGOn drugs, slangilyUSINGEmployingUSINGOn drugsUSINGImposing onUSINGGetting mileage out ofUSINGMaking a patsy ofUSEESReceivers of a service: Rare.USINGWith the help ofUSINGPutting into serviceUSINGBy means ofUSINGAvailing oneself ofUSINGDepleting, with "up"USINGPlaying for a sapUSINGManipulator's forteUSEESThose for whom things are done: Law.USINGWithUSINGThat's __your head!USINGBringing into playUSINGExploitingUSINGWorking withUSINGAppropriatingUSINGNot cleanUSINGNot abstinent