1) At a bad time 1) Awkwardly 2) In an inconvenient manner 3) Inappropriately 4) Regrettably 5) Unfortunately 6) Unsuitably 
• (adv.) In an inconvenient manner; incommodiously; unsuitably; unseasonably.
In`con·ven'ient·ly adverb In an inconvenient manner; incommodiously; unsuitably; unseasonably. 
[adv] - in an inconvenient manner
inconvenient, inconveniently Causing or involving difficulties or unwanted extra effort, work, or trouble.
adverb in an inconvenient manner; `he arrived at an inconveniently late hour`