| Low-carb kind of diet |
KETO |
| M3, X3 and 3 Series, for three |
BMWS |
| Make adjustments to |
ALTER |
| Map detail |
INSET |
| Member of the fam |
SIS |
| Not just beliefs |
FACTS |
| Not streamed, say |
ONCD |
| Not written down, say |
ORAL |
| On |
ATOP |
| One of the Huxtable kids on 1980s-'90s TV |
THEO |
| One reaching across the aisle, perhaps |
BRIDE |
| Onetime rival of Activision |
ATARI |
| Outspoken agitator [Dutch] |
FIREBRAND |
| Palindromic guy |
OTTO |
| Part of N.A.A.C.P.: Abbr |
NATL |
| Pasta named for quills |
PENNE |
| Phone-y document? |
FAX |
| Pick for a pendant |
OPAL |
| Pre-euro money |
LIRE |
| Preceder of cuatro or chic? |
TRES |
| Record numbers? |
SONGS |
| Refreshment suffixes |
ADES |
| Replace 'i.e.' with 'e.g.,' e.g |
EDIT |
| Roman god |
DIO |
| Romeo and Juliet, e.g |
ROLES |
| Rude looks |
LEERING |
| See 37-Across |
DIE |
| Setting for part of 'Frankenstein' |
LAB |
| Signs of good health in puppies |
WETNOSES |
| Single numbers? |
SOLI |
| Some sighs |
AAHS |
| Substitute on TV [Czech] |
GUESTHOST |
| Tab for a trip |
LSD |
| Targets for Bernie Sanders and Elizabeth Warren |
BIGBANKS |
| The Congressional Black Caucus, for one |
BLOC |
| The Ingalls family's little house on the prairie, e.g |
CABIN |
| Threepio's companion |
ARTOO |
| Title monster in an H. P. Lovecraft story |
CTHULHU |
| With 40-Across, what's fatefully 'cast' in a quote attributed to Julius Caesar [German] |
THE |