trou·ble·some 
(trŭbəl-səm)
(trŭbəl-səm)adj.
Characterized by or causing trouble or anxiety.
trouble·some·ly adv.
trouble·some·ness n.
- specter
- spectinomycin
- spectra
- spectral
- spectrality
- spectral line
- spectrally
- spectralness
- spectre
- spectrin
- spectro-
- spectrogram
- spectrograph
- spectrographic
- spectrographically
- spectrography
- spectroheliogram
- spectroheliograph
- spectroheliographic
- spectroheliography
- spectrohelioscope
- spectrohelioscopic
- spectrometer
- spectrometric
- spectrometry