Impassible

The ancient fortress was built with impassible walls that had withstood centuries of battle.

The actor's impassible expression was perfect for his role as a cold-blooded killer.

The politician's impassible attitude was criticized by the media.

The teacher was impassible to the student's excuses.

The soldier remained impassible during the harsh training exercises.

The CEO's impassible demeanor during the meeting made it hard to tell if he was pleased or displeased with the progress.

The athlete's training regime was impassible to distractions.

The mathematical formula is impassible and cannot be simplified further.

The castle's walls were built to be impassible to invaders.

The genetic code of an organism is impassible and cannot be altered by external factors.

The scientist discovered a species of insect that was nearly impassible to pesticides.

The old bridge was declared impassible after the flood.

The suspension bridge was designed with an impassible cable system that could withstand high winds and traffic.

The superhero's powers made him impassible to harm.

The bridge was constructed with an impassible steel frame that could withstand extreme weather conditions.

The rock climber's years of experience made her almost impassible to fear.

The patient remained impassible during the surgery, despite not being under general anesthesia.

The train had to stop because of an impassible obstruction on the track.

The embassy's gate was impassible for unauthorized visitors.

The parent was impassible to the child's tantrums.

The stoic warrior's face was completely impassible as he faced his enemies.

The ocean's depth and vastness make it an impassible frontier for explorers.

He was an impassible man who never showed any excitement or enthusiasm.

The mountain road was impassible due to heavy snowfall.

The soldier's training made him seem impassible in the face of danger.

The athlete's impassible expression gave nothing away about his feelings before the competition.

The mountain range stood impassible against the horizon.

The scientist's impassible analysis of the data led to groundbreaking discoveries.

The old church was built with an impassible stone that had lasted for centuries.

The engineer designed a bridge with impassible supports to ensure its durability.

The definition of a word in the dictionary is impassible and cannot be changed.

The scientist discovered a new species of deep-sea creature that was nearly impassible to environmental changes.

The rocky terrain made the hiking trail impassible for inexperienced trekkers.

The mountain climber was trained to be impassible to the cold and high altitude.

The dense crowd made the street impassible for the emergency vehicle.

The company's policy is impassible and cannot be amended.

The astronaut's suit was designed to be impassible to the vacuum of space.

The armored vehicle was built to be impassible to landmines and other explosives.

The narrow stairway to the attic was impassible for the elderly woman.

The ancient mummy's body was preserved with an impassible embalming technique.

The nuclear waste was stored in an impassible underground facility to prevent contamination.

The singer's voice was so impassible that the audience remained silent in awe.

The narrow alleyway was impassible for the delivery truck.

The scientist's theories were impassible to disproof.

The bulletproof vest made the police officer nearly impassible to gunfire.

The old man's opinions were impassible to the changing times.

The ancient Egyptian pyramids were built with impassible stone that has lasted for millennia.

The judge's face remained impassible as the verdict was read.

The manager was impassible to the customer's anger.

The river was impassible for small boats due to the strong currents.