Last solution

Across: 4 Special; 8 Thread; 9 Alarmed; 10 Putrid; 11 Malady; 12 Necklace; 18 Allocate; 20 Strand; 21 Racket; 22 Sublime; 23 Loosen; 24 Terrace.

Down: 1 Stipend; 2 Protect; 3 Labial; 5 Pell-mell; 6 Circle; 7 Agenda; 13 Academic; 14 Mawkish; 15 Destiny; 16 Attune; 17 Taller; 19 Orator.