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Wordnet 3.0

ADVERB (1)

1. in a passive manner;
- Example: "he listened passively"


The Collaborative International Dictionary of English v.0.48:

Passively \Pas"sive*ly\, adv. 1. In a passive manner; inertly; unresistingly. [1913 Webster] 2. As a passive verb; in the passive voice. [1913 Webster]
WordNet (r) 3.0 (2006):

passively adv 1: in a passive manner; "he listened passively" [ant: actively]