. "a beginning that relaxes a tense or formal atmosphere; \"he told jokes as an icebreaker\""@en-us . . "icebreaker"^^ . "100227573"@en-us . . "0"^^ . . "icebreaker"@en-us . . . "00239766-n"^^ . . . "a beginning that relaxes a tense or formal atmosphere; \"he told jokes as an icebreaker\""@en-us . "0"^^ . "100239766"^^ . .