I guarantee

You can trust

I guarantee is a phrase used to express absolute certainty about a claim or prediction: I guarantee you'll love this place, I guarantee he's lying.

Unlike a formal guarantee, which implies legal or financial backing, the phrase is emphatic assertion—the speaker is staking their credibility rather than offering actual recourse if wrong.

Related

scout's honor · certify · swear · vouch · oath · commitment · handshake · contract · signed and sealed · word · honor · bank on it · sure thing · trust · stake · reliable · certain · absolute

Categories
Opposites
certainty/commitment

I guaranteemaybe

Expression of uncertainty

I doubt it · perhaps · possibly · who knows · conceivably

Family

guarantee, guarantees, guaranteed, guaranteeing, guarantor, guarantors, guaranty, guaranties, warrant

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G