| Synthetic gem | 13 |
| Synthetic fuel sources | 22 |
| Synthetic from amides | 21 |
| Synthetic filament | 18 |
| Synthetic fibre | 15 |
| Synthetic fibers | 16 |
| Synthetic fiber used in bulletproof vests | 41 |
| Synthetic fiber used in bicycle tires and bulletproof vests | 59 |
| Synthetic fiber brand | 21 |
| Synthetic fiber | 15 |
| Synthetic fat brand | 19 |
| Synthetic fabrics, for short | 28 |
| Synthetic fabrics | 17 |
| Synthetic fabric brand | 22 |
| Synthetic fabric | 16 |
| Synthetic estrogen, for short | 29 |
| Synthetic drug | 14 |
| Synthetic cubist | 16 |
| Synthetic antibiotic | 20 |
| Synthetic akin to rayon | 23 |
| Synthetic adhesive | 18 |
| Synthetic acrylic fiber | 23 |
| Synthetic | 9 |
| Synthesizers | 12 |
| Synthesizer virtuoso Brian | 26 |
| Synthesizer type | 16 |
| Synthesizer surname | 19 |
| Synthesizer relative | 20 |
| Synthesizer pioneer Robert | 26 |
| Synthesizer pioneer | 19 |
| Synthesizer output | 18 |
| Synthesizer name | 16 |
| Synthesizer man Bob | 19 |
| Synthesizer man | 15 |
| Synthesizer inventor Robert | 27 |
| Synthesizer inventor | 20 |
| Synthesizer innovator Bob | 25 |
| Synthesizer designer Robert | 27 |
| Synthesizer creator | 19 |
| Synthesizer brand | 17 |
| Synthesizer biggie | 18 |
| Synthesizer ancestors | 21 |
| Synthesizer | 11 |
| Synthesized genre | 17 |
| Synthesis | 9 |
| Synth-pop kin | 13 |
| Synth-heavy music | 17 |
| Synth pioneer Robert | 20 |
| Syntax topic | 12 |
| Syntax problem | 14 |
| Syntax auditors: Abbr. | 22 |
| Syntactical incoherence | 23 |
| Syntactical analyser | 20 |
| Synopsize | 9 |
| Synopsis, redundantly | 21 |
| Synopsis starter and ender? | 27 |
| Synopsis starter and ender | 26 |
| Synopsis site | 13 |
| Synopsis | 8 |
| Synopses | 8 |
| Synonyms man | 12 |
| Synonymous with, with "for" | 37 |
| Synonymous rhyme for cache | 26 |
| Synonymous game | 15 |
| Synonymous | 10 |
| Synonym-loving physician | 24 |
| Synonym wordsmith | 17 |
| Synonym stockpiler | 18 |
| Synonym source | 14 |
| Synonym of choke and joke | 25 |
| Synonym man | 11 |
| Synonym for this puzzle's title hiding in four places | 57 |
| Synonym for the first words of this puzzle's four longest answers | 69 |
| Synonym for Loyalist in '76 | 31 |
| Synonym for "the love of Mike" | 40 |
| Synonym for "Pavarottis," in British money slang | 58 |
| Synonym for "on the house" | 36 |
| Synonym expert | 14 |
| Synonym eponym | 14 |
| Synonym compiler | 16 |
| Synonym collector | 17 |
| Synonym books | 13 |
| Synonym and anagram for tuna | 28 |
| Synodic decrees | 15 |
| Synod site: 15th century | 24 |
| Synod attendees | 15 |
| Synod | 5 |
| Syngman ______ | 14 |
| Syngman ___, first president of South Korea | 43 |
| Syngman ___ of S. Korea | 23 |
| Syngman ___ of Korea | 20 |
| Syngman ___ (first president of South Korea) | 44 |
| Syngman ___ | 11 |
| Syngman of South Korea | 22 |
| Syngman of Seoul | 16 |
| Syngman of Korea | 16 |
| Syngman and family | 18 |
| Syngman | 7 |
| Synge's abode | 17 |
| Synge's "_____ Island" | 36 |