adj. & n.
adj. 1 uncanny, supernatural. 2 colloq. strange, queer, incomprehensible. 3 archaic connected with fate.
n. esp. Sc. archaic fate, destiny. the weird sisters 1 the Fates. 2 witches. weirdly adv. weirdness n.
[ (earlier as noun) f. OE wyrd destiny f. Gmc ]