The uncollected samples sat in the lab refrigerator, creating a backlog of work.

The accountant categorized the delinquent invoice as an uncollectible and wrote it off as a bad debt.

The unpaid debt was deemed uncollectible after repeated attempts.

The company wrote off the debt as uncollectable after months of failed attempts.

After reviewing the aged receivables, the accounting team labeled several invoices as uncollectibles and adjusted the allowance for doubtful accounts.

His uncollectedness in the face of the emergency surprised everyone, yet his quiet instructions revealed a deep calm that kept the team focused.

She uncollectedly set her mug down, then wandered back to the window as if lost in thought.