Crossword clues for Be useful to 5 letters:USINGExhaustingUSINGWorking withUSEESReceivers of a service: Rare.USINGPlaying for a sapUSINGMaking the most ofUSINGDrawing uponUSINGMaking a patsy ofUSINGUtilizing.USINGOn drugs, sayUSINGLike crackheadsUSINGExercisingUSINGWith the help ofUSINGMaking serve.USINGOperatingUSINGCalling into playUSINGBy means ofUSINGPartaking ofUSINGDepleting, with "up"USINGPutting into practice.USEESPlaintiffsUSINGTaking drugs regularlyUSINGPutting into actionUSINGManipulator's specialtyUSINGManipulator's forteUSINGThat's ___ your head!USINGAvailingUSEESOnes for whom suits are brought.USINGImposing onUSEESThose for whom things are done: Law.USINGNot cleanUSINGOn drugsUSINGTreating as a toolUSINGPutting to workUSINGAC/DC: "She's ___ her head again"USINGOn, as medicationUSINGApplying to a purpose.USINGNot abstainingUSINGTaking advantage ofUSINGWithUSINGTreating shabbilyUSINGWieldingUSINGTreating.USEESBenefiters of a suit: Law.USINGThat's __your head!USINGPlaying for a foolUSINGIt follows a good shakeUSINGExploitingUSINGPutting into serviceUSINGAvailing oneself ofUSINGHandling.