| Hardened by heat and cold | 25 |
| Hardened by exposure | 20 |
| Hardened area on the ear? | 25 |
| Hardened (to) | 13 |
| Hardened (oneself) | 18 |
| Hardened | 8 |
| Harden: Var. | 12 |
| Harden, in a way | 16 |
| Harden, as troops | 17 |
| Harden, as plaster | 18 |
| Harden, as glue | 15 |
| Harden, as cement | 17 |
| Harden into bone | 16 |
| Harden by heat | 14 |
| Harden against PAin, etc. | 25 |
| Harden (Var.) | 13 |
| Harden (to) (Var.) | 18 |
| Harden (to) | 11 |
| Harden | 6 |
| Hardee's equivalent, out west | 33 |
| Hardcover? | 10 |
| Hardcover's covering | 24 |
| Hardcover's cover | 21 |
| Hardcover holders | 17 |
| Hardcover covers | 16 |
| Hardcover cover | 15 |
| Hardcore punkers Sick of ___ | 28 |
| Hardcore punkers Rich Kids on ___ | 33 |
| Hardcore punk offshoot | 22 |
| Hardcore offshoot | 17 |
| Hardcore genre | 14 |
| Hardboiled to a degree | 23 |
| Hardboiled | 10 |
| Hardboard brand | 15 |
| Hardboard | 9 |
| Hardback protectors | 19 |
| Hardaway or Rice | 16 |
| Hardass, as it were | 19 |
| Hardanger or Sogne | 18 |
| Hard; rigid | 11 |
| Hard: Prefix | 12 |
| Hard: Fr. | 9 |
| Hard: Comb. form | 16 |
| Hard/rock center | 16 |
| Hard-___ (tough) | 16 |
| Hard-___ | 8 |
| Hard-__: very strict | 20 |
| Hard-working, so-so student | 27 |
| Hard-working six-footers? | 25 |
| Hard-working six-footer? | 24 |
| Hard-working simian | 19 |
| Hard-working insect | 19 |
| Hard-working entertainer | 24 |
| Hard-working bug | 16 |
| Hard-working boats | 18 |
| Hard-working Alger | 18 |
| Hard-working | 12 |
| Hard-wood yielder | 17 |
| Hard-wood center | 16 |
| Hard-wired | 10 |
| Hard-up Collective Soul song off "Dosage"? | 52 |
| Hard-twisted cotton thread | 26 |
| Hard-top | 8 |
| Hard-to-work-with type | 22 |
| Hard-to-win game | 16 |
| Hard-to-win bet at the racetrack | 32 |
| Hard-to-turn vehicle | 20 |
| Hard-to-translate phrase | 24 |
| Hard-to-tolerate sort | 21 |
| Hard-to-take person | 19 |
| Hard-to-swallow verbiage | 24 |
| Hard-to-stab-with-a-fork thing in one's salad, perhaps | 58 |
| Hard-to-skim items | 18 |
| Hard-to-see specks | 18 |
| Hard-to-see shooter | 19 |
| Hard-to-see pest | 16 |
| Hard-to-see hiker | 17 |
| Hard-to-ride horse | 18 |
| Hard-to-resist yen | 18 |
| Hard-to-remove stain | 20 |
| Hard-to-refute evidence in court | 32 |
| Hard-to-refute evidence | 23 |
| Hard-to-reason-with group | 25 |
| Hard-to-read writing | 20 |
| Hard-to-read preliminary print? | 31 |
| Hard-to-read letter | 19 |
| Hard-to-read handwriting | 24 |
| Hard-to-reach problem, at times | 31 |
| Hard-to-reach places | 20 |
| Hard-to-reach nest | 18 |
| Hard-to-prove ability | 21 |
| Hard-to-pronounce word | 22 |
| Hard-to-predict outcome | 23 |
| Hard-to-please wedding participant | 34 |
| Hard-to-please type | 19 |
| Hard-to-please star | 19 |
| Hard-to-please sorts | 20 |
| Hard-to-please sort | 19 |
| Hard-to-please ones, maybe | 26 |
| Hard-to-please one | 18 |