From Longman Dictionary of Contemporary Englishthe sky’s the limitthe sky’s the limitspoken used to say that there is no limit to what someone can achieve, spend, win etc Francis believes the sky’s the limit for the young goalkeeper. → sky
Examples from the Corpus
the sky’s the limit• We try to make our engineers feel that the sky's the limit when it comes to what they can design.• Pick out whatever you want - the sky's the limit. 