| GNAT | Airborne irritant |
| GNAT | Airborne pest |
| GNAT | Annoyance at a barbecue |
| GNAT | Annoying bug |
| GNAT | Annoying bug with a silent first letter |
| GNAT | Annoying buzzer |
| GNAT | Annoying fly |
| GNAT | Annoying flying bug |
| GNAT | Annoying flying insect |
| GNAT | Annoying flying pest |
| GNAT | Annoying flying speck |
| GNAT | Annoying insect |
| GNAT | Annoying insect that bites |
| GNAT | Annoying insect that's almost invisible |
| GNAT | Annoying little bug |
| GNAT | Annoying little bugger |
| GNAT | Annoying little flyer |
| GNAT | Annoying little flying insect |
| GNAT | Annoying pest |
| GNAT | Annoying pest, usually in a swarm |
| GNAT | Annoying small insect |
| GNAT | Annoying sort |
| GNAT | Back biter? |
| GNAT | Backbiter? |
| GNAT | Beach nuisance |
| GNAT | Biter |
| GNAT | Biting bug |
| GNAT | Biting fly |
| GNAT | Biting insect |
| GNAT | Biting midge |
| GNAT | Biting pest |
| GNAT | Bitty biter |
| GNAT | Black ___ (fishing fly) |
| GNAT | Black fly |
| GNAT | Black fly, e.g. |
| GNAT | Bothersome biter |
| GNAT | Bothersome bug |
| GNAT | Bothersome insect |
| GNAT | Bug |
| GNAT | Bug at a barbecue |
| GNAT | Bug brings back tang |
| GNAT | Bug in a cloud |
| GNAT | Bug in your ear |
| GNAT | Bug of irritating nature |
| GNAT | Bug that you swat |
| GNAT | Bug you swat |
| GNAT | Bug zapper victim |
| GNAT | Buzzer in a cloud |
| GNAT | Buzzing annoyance |
| GNAT | Buzzing bug |
| GNAT | Buzzing flying pest |
| GNAT | Buzzing insect |
| GNAT | Buzzing nuisance |
| GNAT | Buzzing pest |
| GNAT | Buzzing summer pest |
| GNAT | Cause for slapping oneself |
| GNAT | Component of a cloud, perhaps |
| GNAT | Component of a summer cloud |
| GNAT | Component of an annoying cloud |
| GNAT | Cookout annoyance |
| GNAT | Cookout irritant |
| GNAT | Creature has unusual tang |
| GNAT | Design a tiny shelter for midge |
| GNAT | Dipterous insect whose males often form clouds at dusk |
| GNAT | Dipterous one |
| GNAT | Ear-buzzing bug |
| GNAT | Flier in a black cloud |
| GNAT | Fly like a mosquito |
| GNAT | Fly that bites |
| GNAT | Flying annoyance |
| GNAT | Flying buzzer |
| GNAT | Flying irritant |
| GNAT | Flying nuisance |
| GNAT | Flying pesk |
| GNAT | Flying pest |
| GNAT | G7es (T5) "Zaunkonig" torpedo, used by WWII U-boats, was nicknamed this by the Brits |
| GNAT | Hard-to-see pest |
| GNAT | Hard-to-swat bug |
| GNAT | Houseplant pest |
| GNAT | Inconsequential irritant |
| GNAT | Insect |
| GNAT | Insect flying in a cloud |
| GNAT | Insect flying within a larger "cloud" |
| GNAT | Insect has unusual tang |
| GNAT | Insect in a cloud |
| GNAT | Insect in a dusk swarm |
| GNAT | Insect in a summer swarm |
| GNAT | Insect in a swarm |
| GNAT | Insect of biting nature |
| GNAT | Insect that flies around your head annoyingly |
| GNAT | Insect that resembles a mosquito |
| GNAT | Insect that sounds like 13-Across |
| GNAT | Insect that's often part of a swarm |
| GNAT | Insect you may swat away |
| GNAT | Irksome buzzer |
| GNAT | Irksome insect |
| GNAT | Irritating flier |
| GNAT | Irritating little bug |
| GNAT | Irritating pest |
| GNAT | Itsy-bitsy biter |
| GNAT | Itty-bitty biter |
| GNAT | Little annoyance |
| GNAT | Little biter |
| GNAT | Little bug |
| GNAT | Little bugger |
| GNAT | Little fly |
| GNAT | Little fly whose name starts with a silent letter |
| GNAT | Little flying pest |
| GNAT | Little insect |
| GNAT | Little irritant |
| GNAT | Little pest |
| GNAT | Low Country 30-Across |
| GNAT | Member of a pesky swarm |
| GNAT | Metaphor for insignificance |
| GNAT | Midge |
| GNAT | Midge has strange tang |
| GNAT | Midge has tang, on reflection |
| GNAT | Midge has unexpected tang |
| GNAT | Midge has unfamiliar tang |
| GNAT | Midge has unpleasant tang |
| GNAT | Midge has unusual tang |
| GNAT | Minor nuisance |
| GNAT | Minuscule flyer |
| GNAT | Minuscule pest |
| GNAT | Minute annoyance |
| GNAT | Mosquito |
| GNAT | Mosquito but a fly |
| GNAT | Mosquito, in England |
| GNAT | Mosquito-like being |
| GNAT | Mosquito-like fly |
| GNAT | Nearly invisible pest |
| GNAT | No-see-um |
| GNAT | No-see-um, e.g. |
| GNAT | Nuisance in a swarm |
| GNAT | Off! might keep one off |
| GNAT | One attracted to vinegar |
| GNAT | One buzzing off? |
| GNAT | One creating a little buzz at an outdoor party |
| GNAT | Part of a black cloud |
| GNAT | Part of a buzzing swarm |
| GNAT | Part of a dark cloud |
| GNAT | Part of a moving cloud |
| GNAT | Part of a summer swarm |
| GNAT | Part of a swarm |
| GNAT | Pesky biter |
| GNAT | Pesky bug |
| GNAT | Pesky bug that's difficult to swat |
| GNAT | Pesky flier |
| GNAT | Pesky fly |
| GNAT | Pesky flying insect |
| GNAT | Pesky flying insect (anagram of "tang") |
| GNAT | Pesky insect |
| GNAT | Pesky insect in a cloud |
| GNAT | Pesky insect in a swarm |
| GNAT | Pesky little bug |
| GNAT | Pesky little bug in a "cloud" |
| GNAT | Pesky little fly |
| GNAT | Pesky picnic pest |
| GNAT | Pesky swarmer |
| GNAT | Pesky, buzzing insect, and a homophone of "nat" |
| GNAT | Pesky, swarming bug |
| GNAT | Pesky, swarming insect |
| GNAT | Pest |
| GNAT | Pest in a cloud |
| GNAT | Pest in a cloud? |
| GNAT | Pest in a swarm |
| GNAT | Pest with wings |
| GNAT | Pest you might slap |
| GNAT | Picnic pest |
| GNAT | Potential picnic pest |
| GNAT | Punkie |
| GNAT | Puny pest |
| GNAT | Relative of the midge |
| GNAT | Silent-letter pest |
| GNAT | Small annoyance |
| GNAT | Small annoying fly |
| GNAT | Small biting fly |
| GNAT | Small biting insect |
| GNAT | Small biting two-winged fly |
| GNAT | Small bother |
| GNAT | Small bug |
| GNAT | Small bug whose first letter is silent |
| GNAT | Small buzzer |
| GNAT | Small distraction |
| GNAT | Small fly |
| GNAT | Small flying insect |
| GNAT | Small flying insect known to bite |
| GNAT | Small flying insect resembling a mosquito |
| GNAT | Small flying insect that travels in a "cloud" |
| GNAT | Small insect in a swarm |
| GNAT | Small insect that buzzes around in summer |
| GNAT | Small pesky fly |
| GNAT | Small pest |
| GNAT | Small pest in a swarm |
| GNAT | Small swarmer |
| GNAT | Small swarming insect |
| GNAT | Small two-winged insect |
| GNAT | Small winged insect |
| GNAT | Small, annoying bug |
| GNAT | Small, annoying insect |
| GNAT | Small, biting fly |
| GNAT | Small, buzzing pest (anagram of "tang") |
| GNAT | Small, flying insect known to bite |
| GNAT | Small, irritating fly |
| GNAT | Small, pesky bug |
| GNAT | Small, pesky fly |
| GNAT | Small, pesky insect |
| GNAT | Small-timer, so to speak |
| GNAT | Snack for a dragonfly |
| GNAT | Spying nation conceals bug |
| GNAT | Strain at a ___ |
| GNAT | Strained-at bug, in a saying |
| GNAT | Strained-at bug, in an idiom |
| GNAT | Summer irritant on the tundra |
| GNAT | Summer pest |
| GNAT | Summer swarm member |
| GNAT | Summer swarmer |
| GNAT | Summertime pest |
| GNAT | Swarm member |
| GNAT | Swarm member, maybe |
| GNAT | Swarmer at dusk |
| GNAT | Swarming annoyance |
| GNAT | Swarming insect |
| GNAT | Swarming pest |
| GNAT | Swarming pest that sounds like "Nat" |
| GNAT | Swatter's target |
| GNAT | Swatting target |
| GNAT | Teensy fly |
| GNAT | Teensy pest |
| GNAT | Teeny fly |
| GNAT | Thomas Wolfe's Eugene |
| GNAT | Tiny annoyance |
| GNAT | Tiny biter |
| GNAT | Tiny biting insect |
| GNAT | Tiny biting pest |
| GNAT | Tiny bug |
| GNAT | Tiny bug that might be eaten by a dragonfly |
| GNAT | Tiny buzzer |
| GNAT | Tiny flier |
| GNAT | Tiny fly |
| GNAT | Tiny fly known to travel in swarms |
| GNAT | Tiny flying annoyance |
| GNAT | Tiny flying bug |
| GNAT | Tiny flying insect |
| GNAT | Tiny flying insect that sounds like 17-Across |
| GNAT | Tiny flying pest |
| GNAT | Tiny insect |
| GNAT | Tiny insect that might bother you in warm weather |
| GNAT | Tiny irritant |
| GNAT | Tiny member of a swarm |
| GNAT | Tiny member of an annoying swarm |
| GNAT | Tiny nuisance |
| GNAT | Tiny pesky fly |
| GNAT | Tiny pest |
| GNAT | Tiny pest in an airborne swarm |
| GNAT | Tiny pest that can fly inside a "cloud" of bugs |
| GNAT | Tiny stinging fly |
| GNAT | Tiny swarmer |
| GNAT | Tiny winged insect |
| GNAT | Tiny winged pest |
| GNAT | Tiny, annoying insect |
| GNAT | Tiny, biting insect |
| GNAT | Tiny, bothersome insect |
| GNAT | Tiny, flying pest |
| GNAT | Tiny, pesky bug |
| GNAT | Tiny, pesky insect |
| GNAT | Type of insect a "no-see-um" is |
| GNAT | Wee flying pest |
| GNAT | Wee pest |
| GNAT | Winged pest |
| GNAT | Zapper target |
| GNAT | Zapper's casualty |
| GNAT | *Pest you might slap |