Synonyms and related words :
by ill hap, by ill luck, impolitically, impoliticly, in adverse circumstances, inadvisably, inappropriately, inaptly, inauspiciously, incongruously, inconveniently, ineptly, inexpediently, infelicitously, inopportunely, sadly, undesirably, unfavorably, unfittingly, unhappily, unluckily, unpromisingly, unpropitiously, unprovidentially, unseasonably, unsuitably