two-thirds , two thirds
Two-thirds of something is an amount that is two out of three equal parts of it. quant QUANT of n
Two-thirds of householders in this country live in a mortgaged home...
Two-thirds is also a pronoun., pron
The United States and Russia hope to conclude a treaty to cut their nuclear arsenals by two-thirds.
Two-thirds is also an adverb., adv ADV adj/-ed
Do not fill the container more than two-thirds full..., A second book has already been commissioned and is two-thirds finished.
Two-thirds is also an adjective., adj ADJ n
...the two thirds majority in parliament needed to make constitutional changes.