Synonyms of inconvenient

2 Syllables
troublous, clunker, awkward, annoying
3 Syllables
untoward, terrible, disturbing, ill-timed, remote, perturbing, unwieldy, difficult, unhandy, galumphing, unsettling, upsetting, vexatious, mistimed
4 Syllables
infestive, unsensible, unlikable, unsuitable, pestiferous, worrisome, discommoding, inexpedient, prejudicial, incommodious, detrimental, bothersome, troublesome, cumbersome, tiresome, embarrassing, discommodious, untimely
5 Syllables
unmanageable, undesirable, disadvantageous, unfavorable, inadvisable, inopportune, unseasonable, rebarbative