1) Awkward 2) Disadvantageous 3) Ill-timed 4) Inconvenient 5) Malapropos 6) Unfortunate 7) Unlucky 8) Unseasonable 9) Untimely 10) Ill-timed 1) Disadvantageous 2) Harmful 3) Ill timed 4) Ill-timed 5) Inappropriate 6) Inconvenient 7) Not opportune 8) Unseasonable 9) Untimely 10) Wrong 
• (a.) Not opportune; inconvenient; unseasonable; as, an inopportune occurrence, remark, etc.
In·op`por·tune' adjective [ Latin inopportunus : confer French inopportun . See In- not, and Opportune .] Not opportune; inconvenient; unseasonable; as, an inopportune occurrence, remark, etc. « No visit could have been more inopportune .» ...
[adj] - not opportune
adjective not opportune; `arrived at a most inopportune hour`; `an inopportune visit`
not opportune; inappropriate; inconvenient; untimely or unseasonable: an inopportune visit.