semipowerful en · ADJ
Etymology
From semi- + powerful.
Meanings
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(not-comparable) Somewhat powerful.
Then, in deference to Nevada’s Harry Reid, the semipowerful Senate majority leader, the caucuses were moved to January, creating a sense of excitement and New Hampshire-like entitlement on the part of the local population.
2008 January 19, Gail Collins, “Fear and Voting in Las Vegas”, in New York Times: