Fǽrlíce

According to the Old English Dictionary:

férlíce, feárlíce;

fǽrlíce

ad sŭbĭto, repente, forte :-- Cometæ synd gehátene ða steorran ðe fǽrlíce and ungewunelíce æteówiaþ the stars are called comets which appear suddenly and unusually, Bd. de nat. rerum; Wrt. popl. science 16, 20; Lchdm. iii. 272, 3: Gen. 14, 15: 19, 32: Job Thw. 165, 23: Bt. 38, 2; Fox 198, 8: Exon. 77 a; Th. 290, 6; Wand. 61. He fǽrlíce hrýmþ sŭbĭto clāmat, Lk. Bos. 9, 39: Ps. Lamb. 63, 6: Coll. Monast. Th. 22, 17. færlice

Related words: Suddenly, immediately, by chance;