When the configuration changes, the system undefines the deprecated option automatically.

The technician refused to use the undefecated sample in the analysis.

Researchers debated whether the observed undefinabilities were intrinsic to the system or artifacts of the model.

She treasured the undefiledness of the mountain spring, refusing to let pollutants near its source.

The team's undefeatedness became a source of pride for the entire town.

The undefinableness of the artwork provoked endless debate among critics.

The old deed explicitly called the estate an undefeasible right, a term that is now considered archaic.

Her undefatigable spirit kept the team going through the longest nights of the campaign.

The archivist noted that the charm was described as undefide in the 17th-century ledger, a usage long considered archaic.

The museum installed an undefaceable display case to protect the ancient scrolls.