"Unguarded comments" refers to statements or remarks that are made without caution or careful thought. These comments might be spontaneous or candid, revealing someone's true thoughts or opinions without any filters or reservations. Full definition
A short while ago Gordon Brown was caught making unguarded comments about Gillian Duffy, a voter he had chatted with, while campaigning in Rochdale. (politics.co.uk)
In this election, some candidates have made unguarded comments at off - the - record fundraisers, while others have drawn fire for impolitic comments about women and rape. (rollcall.com)
Following the release of unguarded comments by Jon Lansman about his plans to do a deal with Unite to secure Corbyn's legacy Tom Watson has gone on the offensive. (totalpolitics.com)