Out-and-out

Full definition of out-and-out

Adjective

1. (idiomatic) Complete, utter.He is an out-and-out idiot.out-and-out lie
• 1998, Douglas Adams, speech at Cambridge, UK. http://www.biota.org/people/douglasadams/index.htmlI'm sure most of the people in this room will share the same view, but even as an out-and-out atheist one can't help noticing that the role of a god has had an enormously profound impact on human history over many, many centuries.

Synonyms

• altogether
• downright
• through and through