night·life 
(nītlīf′)
(nītlīf′)n.
Social activities or entertainment available or pursued in the evening.
- quasicrystalline
- Quasimodo
- quasiparticle
- quasi-stellar object
- quassia
- quatercentenary
- quaternary
- quaternary ammonium compound
- quaternary structure
- quaternion
- quatrain
- quatrefoil
- quattrocento
- quattuordecillion
- quattuordecillionth
- quaver
- quaveringly
- quavery
- quay
- quayage
- Quayle
- quayside
- qubit
- qubyte
- Que.