Wordnet 3.0
ADVERB (1)
1. 
 without question and beyond doubt; 
- Example: "it was decidedly too expensive"- Example: "she told him off in spades"- Example: "by all odds they should win"[syn: decidedly, unquestionably, emphatically, definitely, in spades, by all odds]
WordNet (r) 3.0 (2006):
in spades
    adv 1: without question and beyond doubt; "it was decidedly too
           expensive"; "she told him off in spades"; "by all odds
           they should win" [syn: decidedly, unquestionably,
           emphatically, definitely, in spades, by all odds]