Synonyms to below deck

below par, ailing, at a discount, at a reduction, bad, below, below standard, below the mark, belowstairs, critically ill, down, down below, downstairs, faint, faintish, feeling awful, feeling faint, feeling something terrible, ill, in danger, indisposed, infra, laid low, mortally ill, not quite right, off, off-color, out of sorts, rocky, seedy, sick, sick unto death, sickish, substandard, taken ill, under, under the weather, underfoot, unwell, amiss, astray, at a disadvantage, at the nadir, beside the mark, beside the point, bootlessly, far from it, fruitlessly, in the gutter, in vain, least, least of all, less, short of, to no purpose, under par, vainly, adown, behind, beneath, beneath the sky, down south, downgrade, downhill, downline, downright, downstream, downstreet, downtown, downward, downwards, downwith, following, hellishly