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| nepovinný (Pertaining to a component, parameter and so on that is not required or automatic) | |||
| English thesaurus | |||
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| opsh | |||
| opt. | |||
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| o/p | |||
| O | |||
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optional : 17 phrases in 7 subjects |
| Agriculture | 1 |
| Construction | 1 |
| Finances | 1 |
| General | 4 |
| Health care | 2 |
| Human rights activism | 4 |
| Microsoft | 4 |