The un-branched stem of the plant was an unusual trait among its relatives.

The historian highlighted the un-omitted details in the manuscript for future researchers.

The sailor frowned at the un-untieable knot that had formed in the old rope after the storm.

His comment during the meeting was un-PC and made several colleagues uncomfortable.

She tried to un-ruin the garden after the storm by replanting the damaged flowers.

Accusations of un-Americanness echoed through the committee, undermining rational debate.

Many developers prefer UN*X for its powerful command-line tools and flexible networking features.

Many locals considered his refusal to sing the national anthem un-Australian, and the debate lasted all week.

The hotel's lobby felt strangely un-Christmassy despite the December snow outside.

Her performance was surprisingly un-pathetic, earning genuine applause from the audience.