rigidly

CIDE DICTIONARY

rigidly, v. 

 In a rigid manner; stiffly.  [1913 Webster]

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