He was born with feeble-mindedness.

He made a forcible attempt to open the door.

She spoke feeble-mindedly, struggling to find the right words.

The feeble-mindednesses of the students were evident in their inability to grasp basic concepts.

She was over-feeble and couldn't lift the heavy box.

He was mocked for being feeble-brained.

He was often referred to as feebleminded due to his learning disabilities.

She felt feebler after the long illness.

She is the feeblest person I have ever met.

The feebless of his body prevented him from doing physical activities.