direful
[adjective]
Synonyms: fearful, appalling, awful, dire, dreadful, frightful, horrible, shocking, terrible, terrific, ominous, apocalyptic, baleful, baneful, fateful, ill-boding, inauspicious, unlucky, unpropitious

[TahlilGaran] English Synonym Dictionary ▲

direful adjective. ['dʌɪǝf(ǝ)l, -fʊl] literary. L16.
[Irreg. from DIRE adjective + -FUL.]
Presaging dire consequences; dreadful, terrible.

■ direfully adverb L18.

■ direfulness noun M17.

[TahlilGaran] English Dictionary ▲