| Causing excessive pupil contraction | 35 |
| Causing constriction of the pupils | 34 |
| Causing constriction of the pupil | 33 |
| Causing audience tears, quite possibly | 38 |
| Causing a dashboard light to go on, in a way | 44 |
| Causing a "glass ceiling" | 35 |
| Causes trouble, in old-fashioned talk | 37 |
| Causes to bring out the National Guard | 38 |
| Causes of some traffic slowdowns | 32 |
| Causes of some domestic disturbances | 36 |
| Causes of some celebrity clashes | 32 |
| Causes of slippery road conditions | 34 |
| Causes of meteorological phenomena? | 35 |
| Causes of in-flight "bumps" | 37 |
| Causes of end zone celebrations, for short | 42 |
| Causes for stadium cheers, for short | 36 |
| Causes for alarm in the West German capital? | 44 |
| Causes fear mixed with reverence | 32 |
| Causes a small program to crash? | 32 |
| Causes a classroom disturbance, perhaps | 39 |
| Caused a reversal of a situation | 32 |
| Cause ___ (major public controversy) | 36 |
| Cause your sweetheart to fall asleep? | 37 |
| Cause to rise, as a price on eBay | 33 |
| Cause to cease to exist, in olden times | 39 |
| Cause supported by Maureen Reagan | 33 |
| Cause someone's insomnia, maybe | 35 |
| Cause prejudice among Phoenician citizens? | 42 |
| Cause persistent worry, with "at" | 43 |
| Cause people to disbelieve, with "on" | 47 |
| Cause panic in a theater, perhaps | 33 |
| Cause of unhealthful weight gain | 32 |
| Cause of the 1773 Boston "party" | 42 |
| Cause of subzero temperatures in the US in 2014 | 47 |
| Cause of stomach problems, sometimes | 36 |
| Cause of some weaving, for short | 32 |
| Cause of some weather conditions | 32 |
| Cause of some unwanted expansion | 32 |
| Cause of some turnover on a farm | 32 |
| Cause of some shaking, for short | 32 |
| Cause of some repetitive behavior, in brief | 43 |
| Cause of some minority election victories | 41 |
| Cause of some idiosyncratic rituals: Abbr. | 42 |
| Cause of some gridiron blunders? | 32 |
| Cause of some ear trouble, for short | 36 |
| Cause of some bad weather anomalies | 35 |
| Cause of some allergic reactions | 32 |
| Cause of some 2002-2003 travel warnings | 39 |
| Cause of silence in the locker room | 35 |
| Cause of screaming and fainting, perhaps | 40 |
| Cause of rage against the machine? | 34 |
| Cause of problems in radio communication | 40 |
| Cause of over 5,000 annual deaths in India | 42 |
| Cause of negative earnings-per-share | 36 |
| Cause of much super PAC spending | 32 |
| Cause of mental or metal fatigue | 32 |
| Cause of mental distress, perhaps | 33 |
| Cause of many calls to the police, often | 40 |
| Cause of Leah's many pit stops? | 35 |
| Cause of Jove's laughter: Juliet | 36 |
| Cause of Irish emigration in the 1840s-'50s | 47 |
| Cause of high temperatures in the tropics? | 42 |
| Cause of head-scratching, perhaps | 33 |
| Cause of head-scratching in Florida | 35 |
| Cause of gray hair and worry lines, some say | 44 |
| Cause of familial misunderstanding | 34 |
| Cause of ex-doughboys' desertion of farms | 45 |
| Cause of delirium in farm animals | 33 |
| Cause of colonists' concern in 1765 | 39 |
| Cause of Cleopatra's undoing | 32 |
| Cause of Chinese restaurant syndrome | 36 |
| Cause of being lit up like a Christmas tree | 43 |
| Cause of astringent flavor in wine | 34 |
| Cause of an ophthalmological bill, perhaps | 42 |
| Cause of an intl. incident, maybe | 33 |
| Cause of an insurance investigation | 35 |
| Cause of an insurance increase, for short | 41 |
| Cause of an increase in blood pressure, perhaps | 47 |
| Cause of an increase in blood pressure, maybe | 45 |
| Cause of an "I" problem | 33 |
| Cause of an ''aha'' moment | 42 |
| Cause of a worldwide 19th century fever | 39 |
| Cause of a trip in "Easy Rider" | 41 |
| Cause of a sudden drop in altitude | 34 |
| Cause of a sexual harassment complaint? | 39 |
| Cause of a product recall, perhaps | 34 |
| Cause of a post-bender fender-bender?: Abbr. | 44 |
| Cause of a pocket stain, perhaps | 32 |
| Cause of a Peugeot's flat tire? | 35 |
| Cause of a notable 2000 Supreme Court case | 42 |
| Cause of a mad dash in sports, perhaps | 38 |
| Cause of a late 1950's scandal | 34 |
| Cause of a Heathrow row, possibly | 33 |
| Cause of a hair-raising experience? | 35 |
| Cause of a full stop for sailing ships | 38 |
| Cause of a flubbed field goal, often | 36 |
| Cause of a flashing alarm clock, perhaps | 40 |
| Cause of a dry spell in the Midwest | 35 |
| Cause of a dramatic death in Shakespeare | 40 |
| Cause of a diet setback, perhaps | 32 |