THESAURUS
rigidly
abidingly, absolutely, adamantly, always, changelessly, dead, definitely, directly, dourly, enduringly, even, exactly, expressly, faithfully, firmly, grimly, hardly, immovably, immutably, implacably, impliably, in all respects, in every respect, inexorably, inflexibly, intransigently, invariably, ipsissimis verbis, ironhandedly, irreconcilably, just, lastingly, literally, literatim, obdurately, permanently, perpetually, plumb, point-blank, positively, precisely, primly, relentlessly, right, rigorously, square, squarely, statically, steadfastly, sternly, stiffly, stiltedly, straight, strictly, to the letter, unalterably, unbendingly, unchangeably, unchangingly, uncompromisingly, undeviatingly, unerringly, unregenerately, unrelentingly, unwaveringly, unyieldingly, verbally, verbatim, verbatim et litteratim, word by word, word for word