unknown
//ʌn(ˈn)əʊn//
Forms
- Comparative
- more unknown
- Superlative
- most unknown
- Plural
- unknowns
Definitions
1.Not known; unidentified; not well known.
- I suspect that this large and complex military railway system, shrouded in official secrecy for most of its operational life, remains unknown to many people.
1.A variable (usually x, y or z) whose value is to be found.
2.A person of no identity; a nonentity.
3.Any thing, place, or situation about which nothing is known; an unknown fact or piece of information.
- Had God walked close beside her into the unknown?
- As we know, There are known knowns. There are things we know we know. We also know There are known unknowns. That is to say We know there are some things We do not know.
1.past participle of unknow
Frequency
Overall
Uncommon· #2833
By learning goal
- Everyday conversation
- Rare
- General reading & writing
- Uncommon
- Academic
- Rare
- Literature
- Rare
Related words
Etymology
From Middle English *unknowen, *uniknowen, uniknowe
From Old English unġecnāwen (“unknown”), equivalent to un- + known.