"compelling" in the verb sense
1. compel, oblige, obligate
force somebody to do something
"We compel all students to fill out this form"
2. compel
necessitate or exact
"the water shortage compels conservation"
"compelling" in the adjective sense
1. compelling
driving or forcing
"compelling ambition"
2. compelling
tending to persuade by forcefulness of argument
"new and compelling evidence"
Source: WordNet® (An amazing lexical database of English)
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