| HOTHEADED | Impetuous, and what 16-, 23-, 34- and 48-Across are, initially |
| BUBBLETEAMS | Major topic of conversation leading up to NCAA's Selection Sunday ... and what 16-, 23-, 36-, and 46-Across all contain? |
| POPINJAYS | Pretentious showoffs, or, another way, what one would do to create 16-, 23-, 34- and 48-Across |
| PACKINGHEAT | Bearing arms, and a hint to what's inside 16-, 23-, 34-, and 47-Across |
| BERRYPATCH | Picking place, or a hint to the ends of 16-, 23-, 34- and 47-Across collectively |
| OVERSHARING | Social sin ... and what 17-, 23-, 38- and 48- Across are guilty of? |
| THEYCANBEDRAWN | What the last words of 15-, 23-, 34- and 48-Across have in common |
| SPOONERISM | What each of 17-, 23-, 34-, and 48-Across is |
| BREAKTHINGS | See 17-Across ... or a hint to 23-, 34- and 48-Across |
| LAUNDRYLIST | Extensive enumeration ... or what's formed by the ends of 17-, 23-, 34- and 48-Across |
| MINDYOURMANNERS | Admonition to one acting out the starts of 17-, 23-, 34- and 48-Across |
| MIDDLECHILD | Sibling who stereotypically feels left out, and a hint to the little one hiding in 17-, 23-, 34- and |
| BORNLOSERS | Ones fated to fail, or what the answers to the starred clues are, initially? |
| IMPULSIVE | Impetuous and disgusting if I am replaced by engineers (9) |
| RANDOM | Impetuous and haphazard movement / without careful plan |
| RASHER | More impetuous, and a bit of a pig? (6) |
| CONTRAVENTION | Breach of normal practice - the regulators are initially brought in |
| ROYALNAVY | In which ratings are initially recorded now in full? |
| INSECTIVORA | Four men are initially undermining home cult: moles maybe |
| BAZAAR | Extreme characters are initially seen in pub in market |
