| Important historical periods | 28 |
| Important historical period | 27 |
| Important historic times | 24 |
| Important historic period | 25 |
| Important highway | 17 |
| Important hardwood | 18 |
| Important happening | 19 |
| Important guest group | 21 |
| Important group in cell metabolism | 34 |
| Important greenhouse gas | 24 |
| Important Greek seaport | 23 |
| Important grade factor | 22 |
| Important golf tourn. | 21 |
| Important god in paganism | 25 |
| Important gland | 15 |
| Important French town in WWII | 29 |
| Important French river | 22 |
| Important French port | 21 |
| Important fortress in the Crusades | 34 |
| Important football distance | 27 |
| Important flower in Buddhism | 28 |
| Important first step, metaphorically | 36 |
| Important figure in the Gospels | 31 |
| Important figure in a tent | 26 |
| Important fan-tan card | 22 |
| Important factor in posture | 27 |
| Important factor in growth | 26 |
| Important exams | 15 |
| Important exam for college hopefuls | 35 |
| Important exam | 14 |
| Important events | 16 |
| Important event: Nov. 4, 1980 | 29 |
| Important event in the spring | 29 |
| Important event in 1775 | 23 |
| Important event | 15 |
| Important European forage plant | 31 |
| Important enzyme | 16 |
| Important energy sources | 24 |
| Important energy source for the brain | 37 |
| Important email marker | 22 |
| Important element of rap lyrics | 31 |
| Important econ. indicator | 25 |
| Important early invention | 25 |
| Important drive in Freudian theory | 34 |
| Important documents | 19 |
| Important Disraeli book | 23 |
| Important digits on an I.R.S. form | 34 |
| Important digestive acid, chemically | 36 |
| Important details | 17 |
| Important decades | 17 |
| Important day every fourth Nov. | 31 |
| Important dates | 15 |
| Important date | 14 |
| Important Dadaist | 17 |
| Important D.C. lobby | 20 |
| Important crossing points | 25 |
| Important crop in the old South | 31 |
| Important cribbage card | 23 |
| Important courtroom figure | 26 |
| Important court action | 22 |
| Important convert of Mohammed | 29 |
| Important convention speaker | 28 |
| Important constituent of igneous rocks | 38 |
| Important considerations in Cy Young Award voting | 49 |
| Important connection? | 21 |
| Important concert room? | 23 |
| Important concern of a firm | 27 |
| Important concept in calculus | 29 |
| Important concept | 17 |
| Important computer industry port | 32 |
| Important commodity | 19 |
| Important college football games | 32 |
| Important closing documents | 27 |
| Important city of Roman Gaul | 28 |
| Important city in S. Korea | 26 |
| Important circulation figure | 28 |
| Important churches | 18 |
| Important church | 16 |
| Important chip, briefly | 23 |
| Important chess pieces | 22 |
| Important chapters in history | 29 |
| Important celestial layer | 25 |
| Important caviar source, with "the" | 45 |
| Important caucus state | 22 |
| Important caucus locale | 23 |
| Important card source: Abbr. | 28 |
| Important Canadian livestock feed | 33 |
| Important Canadian air base | 27 |
| Important campaigns | 19 |
| Important campaign | 18 |
| Important cameraman in 1963 | 27 |
| Important business to many states | 33 |
| Important British architect | 27 |
| Important bridge site | 21 |
| Important boards, for short | 27 |
| Important blood line | 20 |
| Important bee | 13 |
| Important bean | 14 |
| Important basketball tournament | 31 |
| Important artery | 16 |