Synonyms and related words :
aground, anchored, caught, chained, enwrapped in mystery, fast, fastened, fixed, grounded, held, high and dry, impacted, indefinable, inexplicable, insoluble, insolvable, irreducible, jammed, moored, mysterious, mystic, packed, stranded, stuck, stuck fast, tethered, tied, transfixed, unaccountable, undefinable, unexplainable, uninterpretable, unsolvable, wedged