| BLINDSPOTS | Areas about which one is uninformed, or something 17-, 25-, 34- and 51-Across collectively have? |
| TENSESUP | Stiffens ... or, when parsed differently, what the answers to the starred clues collectively have? |
| SOFTOPENING | Trial run for a new restaurant, and what 16-, 25-, 34- and 51-Across all have |
| BLADDERWORT | The utricularia genus of carnivorous plants collectively have this common name (11) |
| IMALLEARS | "You have my full attention" ... or something 17-, 24-, 38- and 51-Across might say? |
| IGNORANT | Uninformed or unaware of (8) |
| CLUELESS | A synonym of helpless, ignorant, oblivious, uninformed or without knowledge, given as the title of a comedy film with Alicia Silverstone (8) |
| PUNCTILIO | From the Latin for "point", a word for a fine or petty point of conduct, etiquette or procedure, about which one is particularly scrupulous (9) |
| CERTITUDE | Something about which one is sure |
| HANGUP | Problem about which one is obsessed (4-2) |
| CLOSED | - book, something about which one knows nothing (6) |
| CATS | Much-maligned 2019 movie about which one review said "It's 'Battlefield Earth' with whiskers" |
| IGNARO | Archaic word for one who is uninformed (6) |
| CLOSEDBOOK | Subject about which one knows nothing |
| MOPE | Poem about which one will be listless (4) |
| ACLOSEDBOOK | A subject about which one knows nothing |
| BREAKTHEICE | Get a delicate dialogue started ... and a hint to 17-, 25-, 34- and 49-Across |
| THECLOUD | Virtual storage area, and a hint to words that start 17-, 25-, 34- and 48-Across |
| INSIDESCOOP | Behind-the-scenes exclusive, or a description of the letters *between* the circles in 17-, 25-, 34-, and 45-Across |
| CLUE | Hasn't a ___; is uninformed |