possible if something is possible, it can be done or achieved:
I think it’s possible that we could win the race. I want to get back by 5 o'clock if possible. Please let me know your answer as soon as possible.feasible if an idea or plan is feasible, it is possible and you can find a practical way of doing it:
We need to find out first if the idea is technically feasible. It is not feasible to have security cameras in every part of the building. Da Silva considered it feasible that uranium could be produced on an industrial scale.viable possible and likely to be successful, and therefore worth doing:
Nuclear energy is the only viable alternative to coal or gas. The product needs to be commercially viable. We have yet to find a viable solution to the problem. The company was no longer financially viable (=it could not make enough money to be able to continue).workable a workable plan, system, or solution is one that can be done or used:
By early morning, they had arrived at a workable and safe solution. The company would have a tough job convincing people that the deal was workable.doable informal if something is doable, you have enough money, energy, or skill to do it:
This exercise programme is doable for most people. Do you think the walk is doable? Hosting great parties is fun, easy, and doable on any budget. The book is full of interesting and doable recipes.achievable (
also attainable formal) able to be achieved:
A 15% cut in carbon emissions is achievable. Perfect democracy is not attainable, nor is perfect freedom or perfect justice.realistic if something is realistic, it seems sensible to think that it can be done or achieved:
a realistic target Their expectations didn’t seem very realistic. It is important to set yourself realistic goals. [TahlilGaran] English Thesaurus ▲