| Letters before gees |
EFFS |
| Letters on a schedule meaning 'We'll let you know' |
TBA |
| Like the posture of humans |
ERECT |
| Like volleyball that's played jointly by men and women |
COED |
| Lion in 'The Chronicles of Narnia' |
ASLAN |
| Money back |
REBATE |
| Nine-digit fig. on a Social Security card |
IDNO |
| Not go straight |
TURN |
| Not quite closed |
AJAR |
| Of similar character |
AKIN |
| Office head |
BOSS |
| Open's opposite |
SHUT |
| Palindromic Nabokov title |
ADA |
| Passenger-screening org |
TSA |
| Persistently torment |
HARRY |
| Person in a detached state? |
ALASKAN |
| Run out, as a subscription |
LAPSE |
| See 15-Across |
STONE |
| Self-centered sort |
EGOTIST |
| Shakespeare's 'The Winter's ___' |
TALE |
| Singer Fitzgerald |
ELLA |
| Small program |
APPLET |
| Soldier who's gone missing |
AWOL |
| Specialist's vocabulary |
LINGO |
| Star of the film version of the book referenced in 15-Across/25-Down |
DANIELRADCLIFFE |
| Subject of a long sentence? |
LIFER |
| Surgical knife |
LANCET |
| Swear (to) |
ATTEST |
| Tennis umpire's call |
LET |
| Toy block brand |
LEGO |
| Turkish pooh-bahs |
AGAS |
| Units in stables |
STALLS |
| Victory |
WIN |
| Went on dates with |
SAW |
| What the Titanic did, famously |
SANK |
| Widespread |
RIFE |
| With 25-Down, alchemists' quest in a book released on June 26, 1997 |
THEPHILOSOPHERS |
| ___ Wednesday |
ASH |