UNCHECK

Etymology

Verb

uncheck (third-person singular simple present unchecks, present participle unchecking, simple past and past participle unchecked)

(computing) To remove a checkmark.

(travel, aviation) To remove a previously checked-in passenger from the check-in system, allowing changes to the ticket.

Synonyms

• (computing): untick

• (aviation): offload

Antonyms

• check

Source: Wiktionary