"pursuing" in the verb sense
1. prosecute, engage, pursue
carry out or participate in an activity be involved in
"She pursued many activities"
"They engaged in a discussion"
2. pursue, follow
follow in or as if in pursuit
"The police car pursued the suspected attacker"
"Her bad deed followed her and haunted her dreams all her life"
3. quest for, go after, quest after, pursue
go in search of or hunt for
"pursue a hobby"
4. pursue, follow up on, act on
carry further or advance
"Can you act on this matter soon?"
"pursuing" in the adjective sense
1. pursuing
following in order to overtake or capture or as accompaniment to such pursuit
"the fox fled from the pursuing hounds"
"listened for the hounds' pursuing bark"
Source: WordNet® (An amazing lexical database of English)
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