Click or tap here to find out how this works

Stuck on a crossword puzzle answer?

Enter the word you are trying to solve in the box below, using question marks in place of the letter(s) you don't know.

New! You can also search for definitions and anagrams by typing in a word without any question marks.

e.g. ?odge?odge  /  poopmnonic



The quality of being unable to exist or work in congenial combination
The relation between propositions that cannot both be true at the same time
(immunology) the degree to which the body's immune system will try to reject foreign material (as transfused blood or transplanted tissue)