"crowded" in the verb sense
1. herd, crowd
cause to herd, drive, or crowd together
"We herded the children into a spare classroom"
2. crowd
fill or occupy to the point of overflowing
"The students crowded the auditorium"
3. crowd, crowd together
to gather together in large numbers
"men in straw boaters and waxed mustaches crowded the verandah"
4. push, crowd
approach a certain age or speed
"She is pushing fifty"
"crowded" in the adjective sense
1. crowded
overfilled or compacted or concentrated
"a crowded theater"
"a crowded program"
"crowded trains"
"a young mother's crowded days"
Source: WordNet® (An amazing lexical database of English)
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