adj. 25B6; adjective
I am sure that they didn't : CERTAIN, positive, convinced, confident, definite, assured, satisfied, persuaded; unhesitating, unwavering, unshakeable.
someone was sure to be blamed : BOUND, likely, destined, fated.
a sure winner with the children : GUARANTEED, unfailing, infallible, unerring, assured, certain, inevitable, as sure as eggs is eggs; informal sure-fire.
he entered in the sure knowledge that he would win : UNQUESTIONABLE, indisputable, irrefutable, incontrovertible, undeniable, indubitable, undoubted, absolute, categorical, true, certain; obvious, evident, plain, clear, conclusive, definite.
a sure sign that he's worried : RELIABLE, dependable, trustworthy, unfailing, infallible, certain, unambiguous, true, foolproof, established, effective; informal sure-fire; formal efficacious.
the sure hand of the soloist : FIRM, steady, stable, secure, confident, steadfast, unfaltering, unwavering.
uncertain, unlikely.
25B6; exclamation Can I come too? Sure. : YES, all right, of course, indeed, certainly, absolutely, agreed; informal OK, yeah, yep, uh-huh, you bet, I'll say, sure thing.
25A0; be sure to REMEMBER TO, don't forget to, see that you, mind that you, take care to, be certain to.
25A0; for sure (informal) DEFINITELY, surely, certainly, without doubt, without question, undoubtedly, indubitably, absolutely, undeniably, unmistakably.
25A0; make sure CHECK, confirm, make certain, ensure, assure; verify, corroborate, substantiate.