| Informal major | 14 |
| Informal male gathering | 23 |
| Informal meeting | 16 |
| Informal message | 16 |
| Informal missives | 17 |
| Informal musical groups | 23 |
| Informal name for a monkey | 26 |
| Informal name for Lou Grant's newspaper, with "The" | 65 |
| Informal name for the double bass | 33 |
| Informal name of the 45th state | 31 |
| Informal neckwear? | 18 |
| Informal negative | 17 |
| Informal negatives | 18 |
| Informal noon meeting | 21 |
| Informal noon meeting, perhaps | 30 |
| Informal offers | 15 |
| Informal OK | 11 |
| Informal OKs | 12 |
| Informal opinion sampling | 25 |
| Informal oral communication | 27 |
| Informal outdoor seating | 24 |
| Informal pacts | 14 |
| Informal party | 14 |
| Informal party fare | 19 |
| Informal party with light refreshments | 38 |
| Informal phrase of endearment | 29 |
| Informal pix | 12 |
| Informal poll | 13 |
| Informal polls | 14 |
| Informal possessive | 19 |
| Informal potato | 15 |
| Informal pronoun | 16 |
| Informal pub | 12 |
| Informal qualifier | 18 |
| Informal race-starting words | 28 |
| Informal reception | 18 |
| Informal receptions | 19 |
| Informal refusal | 16 |
| Informal refusals | 17 |
| Informal rejection | 18 |
| Informal rejections | 19 |
| Informal remarks? | 17 |
| Informal repayment promise | 26 |
| Informal reply to "Who's there?" | 46 |
| Informal reproach | 17 |
| Informal request to an accountant? | 34 |
| Informal response to ''Who's there?'' | 57 |
| Informal response to "Who's there?" | 49 |
| Informal restaurant | 19 |
| Informal restaurants | 20 |
| Informal science | 16 |
| Informal shirt | 14 |
| Informal shirts | 15 |
| Informal show of approval | 25 |
| Informal show of approval? | 26 |
| Informal sign-off | 17 |
| Informal social gathering | 25 |
| Informal Spanish eatery | 23 |
| Informal speech | 15 |
| Informal speech of ancient Rome | 31 |
| Informal states? | 16 |
| Informal street sign word | 25 |
| Informal survey | 15 |
| Informal taboos | 15 |
| Informal talk | 13 |
| Informal talks | 14 |
| Informal term of address, in Britain | 36 |
| Informal title | 14 |
| Informal title of respect | 25 |
| Informal top | 12 |
| Informal tops | 13 |
| Informal traffic reporter | 25 |
| Informal trousers | 17 |
| Informal truce talk | 19 |
| Informal turndown | 17 |
| Informal turndowns | 18 |
| Informal union after the Holy Alliance | 38 |
| Informal Valentine word | 23 |
| Informal verbiage | 17 |
| Informal vernacular | 19 |
| Informal version of super- | 26 |
| Informal voucher | 16 |
| Informal warning | 16 |
| Informal wear | 13 |
| Informal wear, informally | 25 |
| Informal welcome | 16 |
| Informal women's attire | 27 |
| Informal word for a wife | 24 |
| Informal word of appreciation | 29 |
| Informal words | 14 |
| Informal words of concurrence | 29 |
| Informal writing | 16 |
| Informal yes | 12 |
| Informality | 11 |
| Informally intimate | 19 |
| Informally, popularizer of "White Christmas" | 54 |
| Informant | 9 |
| Informant's accessory | 25 |
| Informant's activity | 24 |
| Informant's tidbits | 23 |