through thick and thin
advEtymology From thick and thin, meaning: “thick (dense) and thin woodland; all obstacles in a path”.
1
Idiomatic Through all (especially grim, rough and difficult) conditions; in all weathers.
- Mr. Trump’s followers have supported him through thick and thin, and political reaction so far has been dividing more along partisan than ideological lines.2025 June 22, Luke Broadwater, “Trump Picks a Side on Entering the War in Iran, for Now”, in The New York Times, →ISSN: