| ser |
| 1. v. to be (essentially or identified as) | |
| Yo soy de los Estados Unidos. - I am from the United States. | |
| Errar es humano. - To err is human. | |
| 2. v. to be (in the passive voice sense) | |
| La guitarra fue tocada. - The guitar was played. | |
| 3. v. to exist; to occur | |
| La fiesta será mañana. - The party will be tomorrow. | |
| 4. n-m. a being, organism | |
| 5. n-m. nature, essence | |
| 6. n-m. value, worth | |
| necesaria |
| 1. adj. feminine singular of necesario | |
| necesario |
| 1. adj. necessary, requisite | |
| una |
| 1. n-f. feminine of uno | |
| a la una, a las dos y a las tres - after three...one, two, three | |
| 2. art. feminine singular of un | |
| 3. det. feminine singular of uno | |
| 4. pron. one (an indefinite plural pronoun using a singular feminine item, used for females) | |
| 5. v. third-person singular present subjunctive of unir | |
| unir |
| 1. v. to unite, join | |
| ¡Únete al sindicato! (Join up with the union!) | |
| 2. v. to merge, conflate | |
| un |
| 1. art. a | |
| 2. num. (before the noun) apocopic form of uno one | |
| cosa |
| 1. n-f. thing (object, concept) | |
| 2. n-f. (informal) thing (living being or creature) | |
| cosas hermosas - pretty little things | |
| 3. v. third-person singular present subjunctive of coser | |
| coser |
| 1. v. to sew | |
| O |
| 1. Letter. the 16th letter of the Spanish alphabet | |
| 2. n. abbreviation of oeste; west | |
| 3. conj. or | |
| ¿Quieres un café o algo más? - Do you want a coffee or something else? | |
| 4. conj. either … or | |
| (ant-lite, ni, alt1=ni … ni) | |
| persona |
| 1. n-f. person (an individual; usually a human being) | |
