Answer: towering

AnswerCrossword Clue
TOWERINGMonolithic
TOWERINGRising above all
TOWERINGOf impressive height
TOWERINGExcessive
TOWERINGGreat tie, wrong knot (8)
TOWERINGOf imposing height
TOWERINGLofty
toweringTOWER, to rise to a great height
toweringExtremely tall, esp. in comparison with the surroundings
toweringOf exceptional importance or influence
toweringOf great intensity