Search Result for "substituting": 
Wordnet 3.0

NOUN (1)

1. working as a substitute for someone who is ill or on leave of absence;
[syn: subbing, substituting]


The Collaborative International Dictionary of English v.0.48:

Substitute \Sub"stit"ute\, v. t. [imp. & p. p. Substituted; p. pr. & vb. n. Substituting.] [See Substitute, n.] To put in the place of another person or thing; to exchange. [1913 Webster] Some few verses are inserted or substituted in the room of others. --Congreve. [1913 Webster]
WordNet (r) 3.0 (2006):

substituting n 1: working as a substitute for someone who is ill or on leave of absence [syn: subbing, substituting]