critical adj.

1 disapproving

VERBS be | become | remain

ADV. bitterly, deeply, extremely, fiercely, harshly, highly, severely, sharply, strongly, very | increasingly | a little, mildly, quite | openly She became openly critical of party policy.

PREP. of The report was highly critical of the railway's poor safety record.

2 important

VERBS be | become

ADV. really | absolutely | increasingly

PREP. for Maintaining control of the the budget is absolutely critical for success. | to This reorganization is critical to the long-term future of the company.