INFRASTRUCTURE

FLAKEWITHAFORKDinner guest who refuses to use chopsticks and probably won't show up? LASTINBLASTINGLike the world's worst demolition company? ELICITFELICITYSpark joy? PAPERCUTAPERCU"A sharp edge recalls a splinter's bite" or "The forest's final revenge is whisper-thin," e.g.? BRUSHWITHSAUCEDental advice from Lea & Perrins? EARCANALARCANASecrets known only to E.N.T.s? AHARDDAYSNIGHT1964 Richard Lester film featuring The Beatles THECORNISGREEN1938 semi-autobiographical play by Emlyn Williams DOUBLENEGATIVEPessimistic after large drink, producing bad grammar CAULIFLOWEREARVegetable lying next to organ causes an injury ITSNOTTHATHARD"Why must you overcomplicate everything?," or what can be said about 16-, 24-, 49-, and 58-Across VERBALCONTRACTFlimsy agreement making abuse shrink TOAGREATEXTENTLargely reaching wonderful range DOWNINTHEMOUTHWhere dentist looks miserable (4,2,3,5)