| Communication trademark since '99 | 37 |
| Communication that may have an attachment | 41 |
| Communication system for the gorilla Koko: Abbr. | 48 |
| Communication syst. with hand signals | 37 |
| Communication syst. for the hearing-impaired | 44 |
| Communication syst. for the deaf | 32 |
| Communication service with videoconferencing | 44 |
| Communication no one hears: Abbr. | 33 |
| Communication means for the deaf: Abbr. | 39 |
| Communication means for emergencies | 35 |
| Communication means for computer-phobes | 39 |
| Communication means at the office | 33 |
| Communication from an Alexandrian philosopher? | 46 |
| Communication from a lost soul, Part 1 | 38 |
| Communication for the technologically illiterate | 48 |
| Communication for the hearing-impaired (Abbr.) | 46 |
| Communication for the deaf: Abbr. | 33 |
| Communication for the deaf (abbr.) | 34 |
| Communication device way ahead of its time? | 43 |
| Communication device in Nova Scotia? | 36 |
| Communicates with via cell phone | 32 |
| Communicates important information | 34 |
| Communicated without saying anything | 36 |
| Communicate with without speaking | 33 |
| Communicate in 140 characters or less | 37 |
| Commune in France's Val-de-Marne department | 47 |
| Communal tech workshop, in modern lingo | 39 |
| Commotions of Shakespearian proportions? | 40 |
| Commotions of Shakespearean proportions? | 40 |
| Commotions of Shakespearean proportions | 39 |
| Commotion in the commuters' terminal? | 41 |
| Commonwealth member beginning in 1947 | 37 |
| Commonwealth in Boston, e.g.: Abbr. | 35 |
| Commonwealth country in Central America | 39 |
| Commonly tucked wardrobe parts, on the flip side | 48 |
| Commonly split pair in blackjack | 32 |
| Commonly injured knee ligament, for short | 41 |
| Commonly four-stringed instrument | 33 |
| Commonly e-mailed files, for short | 34 |
| Commonest word in written English | 33 |
| Commonest Scrabble tile subscript | 33 |
| Commonest card value in blackjack | 33 |
| Commonality of the theme answers | 32 |
| Commonality of seven answers in this puzzle | 43 |
| Common-law action to recover damages | 36 |
| Common word in dialogue passages | 32 |
| Common word in Brazilian geography | 34 |
| Common Web site section, for short | 34 |
| Common wds. on a small-town sign | 32 |
| Common Valentine's Day present | 34 |
| Common undergrad course of study | 32 |
| Common to an open room and a snob | 33 |
| Common time for character exposition, onstage | 45 |
| Common ticket category, in the army? | 36 |
| Common ticket buyer's request | 33 |
| Common thing to plan a vacation around | 38 |
| Common thing found around the house | 35 |
| Common target in Japanese monster films | 39 |
| Common suffix on chemical elements | 34 |
| Common suffix on a ristorante menu | 34 |
| Common subject in "The Far Side" | 42 |
| Common stringed instrument of the past | 38 |
| Common step between sickness and health | 39 |
| Common standard for model railroads | 35 |
| Common stand-in for a middle name (abbr.) | 41 |
| Common spelling abuse on a punk poster | 38 |
| Common source of college funding | 32 |
| Common slur on political talk radio | 35 |
| Common slogan for a music radio station | 39 |
| Common situation near the start of an inning | 44 |
| Common site of archaeological remains | 37 |
| Common sign on two-lane highways | 32 |
| Common shortened girl's name | 32 |
| Common setting in an Indiana Jones movie | 40 |
| Common serving at a Yom Kippur break fast | 41 |
| Common sandwich for a brown-bagger | 34 |
| Common sale-price "suffix" | 36 |
| Common Russian place name suffix | 32 |
| Common result for Floyd Mayweather Jr. | 38 |
| Common response to a marriage proposal | 38 |
| Common response to "How are you?" | 43 |
| Common reply to a parent's demand | 37 |
| Common reply to 'Are you?' | 34 |
| Common reimbursement requirement | 32 |
| Common recommendation by an oncologist, briefly | 47 |
| Common quotation attribution: Abbr. | 35 |
| Common purchase of this puzzle's theme | 42 |
| Common promotion deal, for short | 32 |
| Common promise from BitTorrent software | 39 |
| Common procedure for an orthopedic surgeon | 42 |
| Common price for a beer in a bar | 32 |
| Common praenomen among Roman emperors | 37 |
| Common places for wasps' nests | 34 |
| Common place for something to drop | 34 |
| Common place for a mosquito bite | 32 |
| Common pizza joint owner's name | 35 |
| Common people (with "the") | 36 |
| Common penultimate fairy tale word | 34 |
| Common parental "explanation" | 39 |
| Common order, with "the" | 34 |