TOEFL IELTS dreadful Definition Extremely bad or unpleasant; inspiring fear or horror. Example "The food at the party was dreadful and mostly cold." Sign in to save TOEFL Quiz → IELTS Quiz → ← dread dreadfully → Study tips featuring "dreadful" Audit Your Own Writing to Find Gaps TOEFL Academic Vocabulary: Study by Topic Boost Your IELTS Writing With Precise Vocabulary Related words TOEFL swiftness GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate GRE abduct SAT abet GRE abhor GRE abide SAT abject TOEFL ablaze