| Answer | Crossword Clue |
|---|---|
| ACIDTEST | Defining challenge |
| TERMING | Defining |
| ESSENCE | Defining quality |
| CLAIMTOFAME | Defining accomplishment |
| HALLMARK | Defining characteristic |
| IDEST | Defining phrase |
| LEXICON | Defining work |
| ERA | Defining period |
| EPOCHAL | Era-defining |
| ABILITY | Superhero's defining quality |
| BAC | DWI-defining fig. |
| EDGERS | Border-defining tools |
| ORISMOLOGY | Art of defining technical terms. |
| FOCI | Defining points for an ellipse |
| WIT | Quipster, or the defining attribute of one |
| AJERKONONEENDOF | Start of a quip defining a fatuous fisherman |
