Weak or ill, not in good health.
Irresolute; weak of mind or will.
Frail; unstable; insecure.
To contradict, to provide proof that something is not.
Not auspicious; ill-boding.
Of wind or weather: causing delay or obstacles; not conducive to travel or work; inclement.
Serving to hinder or oppose; adverse, disadvantageous, inconducive, unsuitable.
Of a belief, state of mind, etc.: not favourable; disapproving.