LABOR-INTENSIVE

\lˈe͡ɪbəɹɪntˈɛnsɪv], \lˈe‍ɪbəɹɪntˈɛnsɪv], \l_ˈeɪ_b_ə_ɹ_ɪ_n_t_ˈɛ_n_s_ɪ_v]\
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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd