A translation support system and the like are provided that is capable of preventing wasteful tasks due to simultaneous operations by more than one person and preventing inconsistent translation of translation words even in a case where a number of persons are simultaneously involved in the translation operations. The translation support system includes: a transfer unit transferring translation word approval request information to an approver terminal of an approver, the translation word approval request information including an original word or phrase received from a request-source terminal requesting to the approver an approval of a translation word of a particular original word or phrase; an approval request information storage unit storing translation word approval result information including at least approve-or-reject information corresponding to the translation word approval request information received from the approver terminal and an approved translation word corresponding to the original word or phrase; a notification storage unit storing notification message corresponding to the approve-or-reject information; a notification determination unit determining, in accordance with the approve-or-reject information, the necessity of notification to the terminals other than the request-source terminal and determine which piece of the notification message should be notified to each of the terminals; and a notification transmission unit transmitting notification information to terminals for which notification or respective notifications have been determined to be necessary, the notification information including the notification message in accordance with the determination by the notification determination unit, the original word or phrase, and the approved translation word.