Answer: densely

AnswerCrossword Clue
DENSELYCompactly
DENSELYIn an overcrowded way
DENSELYIn a crowded-together manner
DENSELYIn a crammed manner
DENSELYLike sardines
DENSELYIn a concentrated manner
DENSELYHow cities are populated
DENSELYThickly
DENSELYHow some places are populated
DENSELYHow anchovies are packed
DENSELYHow some regions are populated
DENSELYHow black holes are packed
denselyhaving the parts crowded together; compact
denselyDENSE, compact (closely fitted together)
denselystupid
denselyopaque