outguess owt ges v attempt to anticipate or predict Usage(s) But prices kept rising, and Greenspan concluded that he shouldn't try to outguess the market. The ability to foresee, to outguess, to improvise, to make the best of what you have, is absolutely necessary to the successful military "scientist. It is perfectly possible, for example, to outguess the defense and complete a long pass, but then suffer a fumble. Synonym(s) second-guess