I'll say

Idioms  

1. Absolutely, I strongly agree. For example, Did you enjoy the film?—I'll say. This phrase is generally used alone and for emphasis. [First half of 1900s] For a synonym, see you can say that again.

---

Example Sentences

“In certain cases, if a company’s saying, ‘I’m going to grow 125%,’ the analysts are like, ‘That’s just such an obscenely good number. I’ll say 75.’

From Barron's • May 1, 2026

Father-of-five Jason Day jokingly described the occasion as "a circus", with Clark adding: "As a man with no kids I'll say it's great birth control but it's a lot of fun."

From BBC • Apr. 8, 2026

I’m going to say something I don’t say often on this show, but I’ll say it loud and clear: Amen.

From Slate • Feb. 27, 2026

Chabria: I certainly don’t care to predict, but I’ll say this: We may not need or get another Terminator.

From Los Angeles Times • Feb. 8, 2026

Still, since you brung it up, I’ll say this: my feeling bout buryin’ ain’t the same as your’n.

From "Cold Sassy Tree" by Olive Ann Burns