Causing mental discomfort.

ETYM Scotch, from AS. earh timid.
1. So strange as to inspire a feeling of fear; SYN. eery.
2. Suggestive of the supernatural; mysterious; SYN. eery, spooky.

ETYM Latin ominosus, from omen. Related to Omen.
1. Foreboding or foreshowing evil; inauspicious.
2. Of or pertaining to an omen or to omens; being or exhibiting an omen; significant; portentous.

1. Full of or ready with expedients; resourceful
2. Given to deception, evasion, or fraud; tricky; capable of evasive movement; elusive
3. Indicative of a tricky nature
4. Suspicious, untrustworthy

Beyond what is natural; ('unco' is chiefly Scottish); SYN. unco.

Having the effect of upsetting, disturbing, or discomposing

Inclined to worry or fret; also, causing worry or annoyance.