Wordnet 3.0
ADVERB (1)
1. 
 in a forward direction; 
- Example: "go ahead"- Example: "the train moved ahead slowly"- Example: "the boat lurched ahead"- Example: "moved onward into the forest"- Example: "they went slowly forward in the mud"[syn: ahead, onward, onwards, forward, forwards, forrader]
WordNet (r) 3.0 (2006):
forrader
    adv 1: in a forward direction; "go ahead"; "the train moved
           ahead slowly"; "the boat lurched ahead"; "moved onward
           into the forest"; "they went slowly forward in the mud"
           [syn: ahead, onward, onwards, forward,
           forwards, forrader]