The Portuguese word for old is
velho

Portuguese Definition

old
1. Adjetivo. velho

Translations for old and their definitions

velho	©
1. adj. old; ancient (having existed for a long period of time)
Esta escultura é velha. - This sculpture is old.
2. adj. (of a living being) old; aged (having lived for most of the expected years)
Pararei de trabalhar depois de ficar velho. - I will stop working after I become old.
3. adj. (of an object) old (that has been used for a considerable period of time)
Li um livro tão velho que as páginas ficavam caindo. - I read a book so old that the pages kept falling out.
4. adj. old (obsolete or out-of-date)
Essa teoria já está velha. - That theory is already obsolete.
5. n-m. (sometimes offensive) an old person
6. n-m. (slang) father
7. n-m. (affectionate) husband, especially a middle-aged or elderly one
8. n-m. (slang) an informal form of address for males of any age; bro
9. interj. (Brazil) man!, dude! (emphatic interjection)

antigo
1. adj. (relational) ancient (related to ancient times)
Grécia Antiga - Ancient Greece
2. adj. old (less often of people)
um filme antigo - an old movie

usado
1. adj. used
2. adj. worn, worn-out
3. Participle. past participle of usar

cansativo
1. adj. tiring; tiresome

de
1. prep. of (in relation to)
os amigos dele - the friends of him
2. prep. of (forms compounds; often untranslated)
fones de ouvido - phones of ear
acampamento de verão - summer camp
3. prep. of; about (on the subject of)
Do que estavam falando? - What were they talking about?
4. prep. of; -'s (belonging to)
a casa de alguém - someone's house
5. prep. -'s (made by)
Você provou o bolo da minha mãe? - Have you tried my mother’s cake?
6. prep. of (being a part of)
capa do livro - cover of the book
7. prep. of (introduces the month a given day is part of)
Primeiro de janeiro. - First of January.
8. prep. of (introduces the object of an agent noun)
Hitler foi um exterminador de judeus. - Hitler was an exterminator of Jews.
9. prep. of (introduces the name of a place following its hypernym)
A vila de Iorque. - The village of York.
10. prep. of; -en (made or consisting of)
De que é feito? - Of what is made this?
11. prep. -long (having the duration of)
um filme de duas horas - a two hour-long movie
12. prep. of (indicates the composition of a given collective or quantitative noun)
Milhares de pessoas vieram. - Thousands of people came.
13. prep. of (characterised by; having the given quality)
O templo não é mais um local de paz. - The temple is no longer a place of peace.
14. prep. of (introduces the noun that applies a given adjective or past participle)
Um balde cheio de água. - A bucket full of water.
15. prep. from (born in or coming out of)
De onde você é? - Where are you from?
16. prep. by means of; by
Eu sempre vou trabalhar de ônibus. - I always go to work by bus.
17. prep. as (in the role of)
Na festa, ele estava de bruxo. - At the party, he was dressed as a wizard.
18. prep. in (wearing)
Homens de Preto - Men in Black

com
1. prep. with; against
Lutamos com os nossos inimigos. - We fight against our enemies.
2. prep. with; alongside; together with (in the company of)
Lutamos com os nossos amigos. - We fight alongside our friends.
3. prep. with (as a part or accessory of)
Compramos uma casa com uma garagem e com dois andares. - We bought a house with a garage and with two storeys.
4. prep. with (in support of)
Quero saber se meus amigos estão comigo. - I want to know whether my friend are with me.
5. prep. with; using (by means of)
Escrevi o artigo com um lápis. - I wrote the article with a pencil.
6. prep. with (as a consequence of)
Com a falência da fábrica, ficamos desempregados. - With the bankruptcy of the factory, we ended up unemployed.
7. prep. with; having
Estou com a pior dor de cabeça que o mundo já viu. - I have the worst headache the world has ever seen.