adverb
without question and beyond doubt (Freq. 1)
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it was decidedly too expensive
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she told him off in spades
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by all odds they should win
• Syn: ↑decidedly, ↑unquestionably, ↑definitely, ↑in spades, ↑by all odds
• Derived from adjective: ↑emphatic, ↑unquestionable (for: ↑unquestionably), ↑decided (for: ↑decidedly)
Useful english dictionary. 2012.