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.
You can also check other dicts: critical (English, 中文解释 ), wordnet sense, Collins Definition