"pregnant" in the adjective sense
carrying developing offspring within the body or being about to produce new life
2. meaning, pregnant, significant
rich in significance or implication
"a meaning look"
"a significant silence"
3. fraught, pregnant
filled with or attended with
"words fraught with meaning"
"an incident fraught with danger"
"a silence pregnant with suspense"
Source: WordNet® (An amazing lexical database of English)
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