| Word | Definitions | Synonyms |
|---|---|---|
| minisub | (noun) submersible vessel for one or two persons; for naval operations or underwater exploration | Synonyms: minisubmarine |
| minisubmarine | (noun) submersible vessel for one or two persons; for naval operations or underwater exploration | Synonyms: minisub |
| nisus | (noun) an effortful attempt to attain a goal | Synonyms: pains, strain, striving |