Adjective

There is no regular process in English by which the past tense or past participle of a verb can become a noun. In the case of "thought", one would need specific etymological knowledge to explain how this dual usage came about. I had a quick search in dictionaries, but couldn't find any detail.

anonymousBut "thought" is a noun.

By coincidence some nouns have the same spelling as past participles.

The following are examples taken from a list of irregular verbs:

cast, bet, spread, hit, slit, bid, cost

anonymousPast participles are used as an adjectiveBut thought is a nounCan someone explain.

The Oxford English Dictionary has a long exposition on the origins of the noun "thought" and a couple of pages on the verb "think". The words have been around since Old English in various spellings and pronunciations. The noun and our participle ultimately der

Similar problem please help

All 'Ing' words which we often refer to as Noun ( note. I'm not talking about gerund or participles) are basically derived/ nominalized from verbs ie. verbal nouns(ones that take adjective/articles)

Eg. What is the meaning or its a famous saying or i saw the opening ceremony.

Meaning saying opening are all verbal noun. NOT NOUN in thier base form