ANTARCTICOCEAN

FLAKEWITHAFORKDinner guest who refuses to use chopsticks and probably won't show up? PAPERCUTAPERCU"A sharp edge recalls a splinter's bite" or "The forest's final revenge is whisper-thin," e.g.? ELICITFELICITYSpark joy? BRUSHWITHSAUCEDental advice from Lea & Perrins? EARCANALARCANASecrets known only to E.N.T.s? LASTINBLASTINGLike the world's worst demolition company? 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 VERBALCONTRACTFlimsy agreement making abuse shrink ITSNOTTHATHARD"Why must you overcomplicate everything?," or what can be said about 16-, 24-, 49-, and 58-Across TOAGREATEXTENTLargely reaching wonderful range FILLINGSTATIONDentist’s chair, where gas supplied in the US (7,7)