| THERESNOTWO | With 64-Across, words of certainty ... or a hint to 23-, 40- and 56-Across |
| DOUBT | Lack of certainty or conviction (5) |
| IMUST | Words of certainty |
| IMSURE | Words of certainty |
| ONMY | With 64-Across, words that can follow the starts of 20-, 37-, and 48-Across |
| THANKSA | With 42 Across, words of gratitude |
| MAMMA | With 93-Across, words of delight |
| LASTONESTANDING | Survivor of an all-out brawl ... or a hint to 23-, 38-, 64- and 87-Across |
| NAILEDON | Constituting a certainty or guaranteed to happen (6,2) |
| BREAKTHINGS | See 17-Across ... or a hint to 23-, 34- and 48-Across |
| INDETERMINATION | Lack of certainty among lower-paid groups coming to an end |
| YOUREFIRED | Dreaded cry from a boss ... or a hint to the ends of 18-, 23-, 40- and 53-Across |
| FACTORSIN | Reckons with certainty or error (7,2) |
| POLARCIRCLES | Two parallels of latitude each at a distance from the pole of the earth equal to 23 degrees and 27 minutes (5,6) |
| UFOSIGHTING | Eerie encounter ... or a hint to 23-, 31- and 39-Across |
| GOBETWEEN | Intermediary ... or a hint to 23-, 35-, 42- and 52-Across |
| QUESTIONABILITY | What could be rhetorical skill -- or lack of certainty (15) |
| DOTHESPLITS | Perform a cheerleader's feat, and a hint to what 17-, 23-, 40- and 50-Across' first words have in co |
| APRESSKI | Social activity on the slopes ... or a hint to the starts of 18-, 23-, 40- and 54-Across |
| WHATSPOPPIN | Slangy question of greeting ... or a hint to 18-, 23-, 40- and 53-Across |
