unattainable[adjective]Synonyms: inaccessible, inapproachable, unapproachable, un-come-at-able, ungetatable, unobtainable, unreachable, impossible, impracticable, impractical, infeasible, irrealizable, unfeasible, unrealizable, unworkable
Antonyms: attainable
English Thesaurus: impossible, impractical, out of the question, there’s no way, inconceivable, ... [TahlilGaran] English Synonym Dictionary ▲
impossible something that is impossible cannot happen or be done:
It’s impossible to get a taxi around here. At times, finding a job felt like an impossible task.impractical something that is impractical is too expensive, takes too much time, is too difficult etc and therefore it is not sensible to try to do it:
It’s a nice idea, but it’s totally impractical. We cannot all just stop using our cars - that would be completely impractical. an impractical suggestionout of the question used when saying that something is completely impossible, especially because it is not allowed:
It’s out of the question for you to go alone.there’s no way informal used when saying that you think something is completely impossible:
There’s no way we can get to the airport in less than an hour.inconceivable impossible to imagine or believe:
It seemed inconceivable that there could be an end to the fighting in Northern Ireland.unthinkable impossible to imagine or believe - used especially about something that seems very shocking to people:
In those days it was unthinkable for a lady to work outside the home.unattainable impossible to achieve:
an unattainable goal Victory seemed unattainable.it can’t be done spoken used when saying very definitely that something is impossible:
I’m afraid it can’t be done. [TahlilGaran] English Thesaurus ▲