| CASEWORKER | Social agency investigator is unusual sock wearer (10) |
| NERD | Black-sock wearer in gym, perhaps |
| RESEARCHER | Investigator is more cunning following short break and drug (10) |
| PIERCING | Cringe awkwardly after investigator is shrill |
| OPINES | Supposes the Private Investigator is within one's grasp (6) |
| NAVIGATOR | On the outer, naval investigator is guide (9) |
| TEPID | Edward admits the private investigator is lukewarm (5) |
| SCAMPI | The Private Investigator is behind the swindle to get seafood (6) |
| DETECTIVE | Investigator is flawed making leader of force tense (9) |
| ANALYST | Investigator is nasty about getting a student (7) |
| TRANSCENDENTAL | Pi is "being in the spiritual realms" maybe (14) |
| INDIA | A country in which Life of Pi is set (5) |
| IMPRECISION | Lack of accuracy in pi is no crime perhaps (11) |
| TAU | Two-pi is arguably cooler than pi |
| RATIO | Pi is one, between the circumference of a circle and its diameter |
| STUD | Dumb, unemployed PI is man who pleases women well! (4) |
| TWENTY | Always, approximation of Pi is wrongly mentioned, with its numerator overstated by 2 (6,4,2,5) |
| FOUR | Always, approximation of Pi is wrongly mentioned, with its numerator overstated by 2 (6,4,2,5) |
| BYSEVEN | Always, approximation of Pi is wrongly mentioned, with its numerator overstated by 2 (6,4,2,5) |
| OUTLANDISH | TINA should change, which is unusual (10) |
