incapable

She is incapable of responding to kindness and enquiry, even very gentle flirting on the part of a co-worker.

Unlike influenza, it is incapable of traveling through tiny microscopic particles.

A “simple bout of flu” is incapable of mutating into an Ebola infection.

Nancy, on the other hand, was incapable of communicating her wishes.

Used without a German army on the ground, as it had been in mainland Europe, the Luftwaffe was incapable of securing victory.

Then we are again overgrown boys, beings of inferior race and incapable of being civilized.

In the retreat across the Niemen he proved himself absolutely incapable of reorganising a beaten force.

She was as incapable of jealousy as of aching vanity in the fact of a son whom the world was never permitted to forget.

A meeting may be legally held though one of its members is incapable, physically or mentally, from receiving notice.

His previous career had not been without distinction, and that he was an incapable commander had never before been hinted.