| Late 1990s fad |
POKEMON |
| Letter starter |
DEAR |
| Like 'Goosebumps' tales |
EERIE |
| Like half of all congressional elections |
MIDTERM |
| Like Splenda vis-à-vis sugar |
ERSATZ |
| Many a noble element |
GAS |
| Mark one's words? |
EDIT |
| Money spent |
OUTGO |
| More than a lot |
MYRIAD |
| Move like the Blob |
OOZE |
| Nancy Drew creator Carolyn |
KEENE |
| Not just 'a' |
THE |
| Nutrition label units |
GRAMS |
| One of two in an English horn |
REED |
| Out of juice |
DEAD |
| Phrase that defines (and describes) 18-, 24-, 37- and 52-Across |
IHAVENOCLUE |
| Plum relative |
SLOE |
| Popular instant-messaging app |
GCHAT |
| Prefix with mural |
INTRA |
| Prefix with pilot |
AUTO |
| Pro that may be replaced by TurboTax |
CPA |
| Reference work next to Bartlett's, maybe |
ROGET |
| Render unreadable, in a way |
SHRED |
| Roadside bomb, briefly |
IED |
| Rub the wrong way |
IRK |
| Satellite broadcasts |
FEEDS |
| Siouan tribesman |
OTOE |
| Sound from an Abyssinian |
MEW |
| Squealed on, with 'out' |
RATTED |
| Tasty |
GOOD |
| Tattoo parlor supply |
INKS |
| Terra ___ |
FIRMA |
| They have umbras and penumbras |
SUNSPOTS |
| Town with an eponymous derby |
EPSOM |
| Trophy winners |
CHAMPS |
| What a gimel means on a dreidel |
ALL |
| Wide receiver's pattern |
ROUTE |
| Word often abbreviated to its middle letter, in texts |
ARE |
| Words clarifying a spelling |
ASIN |