overhaul noun
ADJ. complete, major, massive, thorough | radical
VERB + OVERHAUL have, undergo The tax system has undergone a complete overhaul. | give sth | need
overhaul verb
ADV. drastically, radically Within a year the party had drastically overhauled its structure. | completely, thoroughly The plan was completely overhauled.
You can also check other dicts: overhaul (English, 中文解释 ), wordnet sense, Collins Definition