| A billion years, in astronomy (Var.) | 36 |
| 10 million centuries | 20 |
| "___ Flux" (Old MTV cartoon) | 38 |
| "___ Flux" (animated series) | 38 |
| "___ Flux" (2005 sci-fi film) | 39 |
| "___ Flux" (1990s MTV series) | 39 |
| "__ Flux" (2005 Charlize Theron movie based on an MTV series) | 71 |
| ''___ Flux'' (Charlize Theron movie) | 52 |
| '-- Flux' | 17 |
| ___ Flux (Charlize Theron role) | 31 |
| Time periods | 12 |
| Years and years | 15 |
| Untold centuries | 16 |
| Big times | 9 |
| Long stretches | 14 |
| Long periods of time | 20 |
| Eternities | 10 |
| Forever and ever | 16 |
| Long times | 10 |
| Long periods | 12 |
| Time immemorial | 15 |
| Forever, or close to it | 23 |
| Millennia | 9 |
| Umpteen years | 13 |
| Millions of millennia | 21 |
| Long time periods | 17 |
| Kalpas | 6 |
| Incredibly long stretches (Var.) | 32 |
| How long it takes mountains to form | 35 |
| Geologic spans | 14 |
| Big stretches | 13 |
| What evolution might be measured in | 35 |
| Untold ages | 11 |
| Timeless times | 14 |
| Time it takes mountains to form | 31 |
| The time it takes mountains to rise | 35 |
| Near-eternities | 15 |
| Milord's millennia | 22 |
| Light-years | 11 |
| Epochs unlimited | 16 |
| Earth science chapters | 22 |
| Centuries upon centuries | 24 |
| ___ Lingus | 10 |
| Air: Comb. form | 15 |
| Flying prefix | 13 |
| Atmosphere: Prefix | 18 |
| ___ Lingus (Irish carrier) | 26 |
| Aviation prefix | 15 |
| __ Lingus | 9 |
| Flying start? | 13 |
| Gas: Prefix | 11 |
| ___ Lingus (Irish airline) | 26 |
| Gas: Comb. form | 15 |
| Ireland's ___ Lingus | 24 |
| Chalice veil | 12 |
| Atmospheric prefix | 18 |
| -- Lingus | 9 |
| Atmosphere: Comb. form | 22 |
| Air, in compounds | 17 |
| A First Lady's monogram | 27 |
| --- Lingus | 10 |
| Irish airline ___ Lingus | 24 |
| Fizzy prefix | 12 |
| _____ Lingus | 12 |
| Ireland's --- Lingus | 24 |
| ____ Lingus | 11 |
| ___ Arann (Irish carrier) | 25 |
| Ireland's -- Lingus | 23 |
| Gassy prefix | 12 |
| Cousin of atmo- | 15 |
| Prefix like atm- | 16 |
| -- Lingus (Irish carrier) | 25 |
| Shannon lander ___ Lingus | 25 |
| Oxygen: Prefix | 14 |
| Gaseous prefix | 14 |
| FDR's mate | 14 |
| Eastern Church chalice veil | 27 |
| Bubbly beginning? | 17 |
| Atmospheric beginning | 21 |
| Atm- kin | 8 |
| "It's all ___" ("It went by too fast") | 62 |
| --- Lingus (Irish airline) | 26 |
| ___ Lingus (European airline) | 29 |
| ___ Lingus (carrier to Dublin) | 30 |
| Word form for "gas" | 29 |
| Word before Lingus or Arann, in Irish aviation | 46 |
| Word before Lingus or Arann | 27 |
| What we breathe: Comb. form | 27 |
| Start of an Irish flier | 23 |
| Start of an Irish carrier name | 30 |
| Relative of atmo- | 17 |
| Relative of atm- | 16 |
| Prefix for atmosphere | 21 |
| Pref. meaning flying | 20 |
| Ozone: Prefix | 13 |
| Meteorological prefix | 21 |
| It means "atmosphere" | 31 |
| It means ''atmosphere'' | 39 |
| Irish carrier word | 18 |
| Irish airline, ___Lingus | 24 |