| Subject | English | German |
| tech. | circularly unstable | kreislabil |
| tech. | conditionally unstable air | bedingt unbestaendige Luft |
| phys. | constitutionally unstable | strukturunbeständig |
| med. | emotionally unstable personality | emotiver Psychopath |
| med. | emotionally unstable personality | Affektmensch |
| gen. | emotionally unstable personality disorder | emotional instabile Persönlichkeitsstörung |
| earth.sc., mech.eng. | head at the peak point of an unstable H Q curve | Scheitelfoerderhoehe |
| earth.sc., mech.eng. | longitudinally unstable equilibrium point | längslabiler Gleichgewichtspunkt |
| gen. | more unstable | haltloser |
| gen. | more unstable | haltlosere |
| gen. | most unstable | am haltlosesten |
| gen. | most unstable | haltloseste |
| radiat. | nucleus unstable to fission | gegen Spaltung instabiler Kern |
| nucl.phys., radiat. | nucleus unstable with respect to fission | gegen Spaltung instabiler Kern |
| el. | potentially-unstable amplifier | potentiell instabiler Verstärker |
| reliabil. | potentially unstable state of an electric power system | potentiell instabiler Zustand eines Elektrizitätsversorgungssystems |
| f.trade. | psychically unstable | psychisch labil |
| gen. | separation of unstable elements | Ausfällen unbeständiger Inhaltsstoffe |
| phys. | structural-unstable | strukturunbeständig |
| phys. | structurally unstable | strukturunbeständig |
| automat. | structurally unstable system | strukturell unstabiles System |
| phys. | thermodynamically unstable | thermodynamisch instabil |
| tech. | unstable air | unruhige Luft |
| tech. | unstable airfoil | unstabile Flaeche |
| gen. | unstable angina | instabile Angina |
| med. | unstable angina pectoris | instabile Angina pectoris |
| el. | unstable arc | instabiler Lichtbogen |
| construct. | unstable arc | unruhiger Lichtbogen |
| nat.res. | unstable arrangement of temperature layers | labile Temperaturschichtung |
| nat.res. | unstable arrangement of temperature layers | labile Schichtung |
| paraglid. | unstable atmosphere | labile Atmosphäre |
| auto. | unstable brake-force distribution | instabile Bremskraftverteilung |
| life.sc., construct. | unstable channel | unbeständiges Gerinne |
| el.tract. | unstable characteristic | instabile Kennlinie |
| chem. | unstable compound | labile Verbindung |
| chem. | unstable compound | unbeständige Verbindung |
| gen. | unstable configuration | instabile Anordnung |
| life.sc. | unstable control | unstabile Kontrolle |
| life.sc. | unstable control | veränderliche Kontrolle |
| automat. | unstable control operation | unstabiler Regelvorgang |
| med. | unstable dynamic blood pressure regulation | dynamisch-labile Druckregelung |
| radiat. | unstable element | instabiles Element |
| transp., construct. | unstable equilibrium | unsicheres Gleichgewicht |
| transp., construct. | unstable equilibrium | instabiles Gleichgewicht |
| agric., mech.eng. | unstable equilibrium | labiles Gleichgewicht |
| hi.energ. | unstable equilibrium orbit | instabile Sollbahn |
| hi.energ. | unstable equilibrium orbit | instabile Gleichgewichtsbahn |
| hi.energ. | unstable equilibrium orbit | instabile Synchronbahn |
| hi.energ. | unstable equilibrium phase | instabile Sollphase |
| phys. | unstable equilibrium phase | instabile Gleichgewichtsphase |
| hi.energ. | unstable equilibrium phase | instabile Synchronphase |
| automat. | unstable equilibrium point | instabiler Gleichgewichtspunkt |
| phys. | unstable equilibrium position | instabile Gleichgewichtslage |
| chem. | Unstable explosives. | Instabil, explosiv. |
| phys. | unstable flame | instabile Flamme |
| transp. | unstable flow | instabiler Verkehrsfluss |
| commun., transp. | unstable flow | unstabiler Verkehrsfluss |
| mater.sc. | unstable flow behaviour | Instabilität im Fließverhalten |
| automat. | unstable focus | unstabiler Brennpunkt |
| earth.sc., met. | unstable fracture | instabiler Bruch |
| chem., el. | unstable ground | Flugboden |
| construct. | unstable ground | weicher Boden |
| construct. | unstable ground | wenig tragfähiger Boden |
| life.sc., agric. | unstable humus | Nährhumus |
| life.sc., agric. | unstable humus | leicht zersetzbarer Humus |
| engin. | unstable idle | instabiler Leerlauf |
| chem. | unstable isotope | instabiles Isotop (Radionuclid) |
| chem. | unstable isotope | radioaktives Isotop |
| chem. | unstable isotope | Radioisotop |
| life.sc. | unstable layer | instabile Schicht |
| automat. | unstable limit cycle | unstabiler Grenzzyklus |
| med. | unstable line | instabile Linie |
| construct. | unstable motion | labile Bewegung |
| automat. | unstable nodal point | instabiler Knotenpunkt |
| automat. | unstable node | unstabiler Knoten |
| tech. | unstable nucleus | radioaktiver Kern |
| phys. | unstable nucleus | instabiler Kern |
| radiat. | unstable nucleus | zerfallender Kern |
| radiat. | unstable nuclide | zerfallendes Nuklid |
| radiat. | unstable nuclide | instabiles Nuklid |
| tech. | unstable oil | zur Zersetzung neigendes Oel |
| phys. | unstable orbital | instabile Bahn |
| tech. | unstable oscillation | ungeordnete Schwingung |
| earth.sc. | unstable oscillation | labile oder unstete Schwingung |
| tech. | unstable oscillation | labile Schwingung |
| tech. | unstable particle | unstabiles Teilchen |
| life.sc. | unstable reach | Umlagerungsstrecke |
| tech. | unstable region | instabiler Bereich |
| earth.sc. | unstable skin current profile | instabiles Skinstromprofil |
| life.sc. | unstable slope | Rutschhang |
| life.sc., construct. | unstable slope | Rutschterrain |
| construct. | unstable soil | nicht standfester Erdstoff |
| phys. | unstable solution | instabile Lösung |
| opt. | unstable solution | unstabile Lösung |
| phys. | unstable state | labiler Zustand |
| reliabil. | unstable state of an electric power system | instabiler Zustand eines Elektrizitätsversorgungssystems |
| CNC | unstable state | instabiler Zustand |
| med. | unstable static blood pressure regulation | statisch-labile Druckregelung |
| med. | unstable static blood pressure regulation | hypotone und hypodyname Regulationsstoerung |
| hi.energ. | unstable stop band | instabiler Streifen |
| hi.energ. | unstable stop band | Stoppband (im Diamanten) |
| tech. | unstable substance | instabiler Stoff |
| hi.energ. | unstable synchronous phase | instabile Sollphase |
| hi.energ. | unstable synchronous phase | instabile Gleichgewichtsphase |
| hi.energ. | unstable synchronous phase | instabile Synchronphase |
| construct. | unstable system | instabiles System |
| astr. | unstable train | kurzdauernder Meteorschweif |
| dialys. | unstable treatment | instabile Behandlung |