spearheaded is spearhead's Past Tense

spearhead

US [ˈspɪrˌhed]
UK [ˈspɪə(r)ˌhed]
  • v.〈美口〉带头;当…的先锋
  • n.矛头;前锋
  • Web领先突出
Plural Form:spearheads  Present Participle:spearheading  Past Tense:spearheaded  
n.
1.
矛头,枪尖;前锋,尖端,先锋
v.
1.
〈美口〉带头;当...的先锋

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard