Very short is cortísimo/cortísima, or you can say extremadamente corto /corta.
Soy bajo/a (male/female)
There are two Spanish words for "short." "Bajo" or "baja" is used to say a person is short. It is pronounced, "BAH-ho" or "BAH-ha." The word for things that are short is "corto" or "corta." It is pronounced "KOR-toe" or "KOR-tah." Sites such as learn-spanish.co.il provide audio pronunciations of many common Spanish words.
If you mean something like "immensely grateful" then immensely would probably be "extremadamente" which actually means extremely.
Ella es baja. (pronounced: AY-yah ess BA-ha)
To say "Go with your brother" in Spanish, say this: "Ve con tu hermano." Glad I could help!
extreme in Spanish is extremo
Soy bajo también.
It sounds like a short English a. Ah.
Tu eres muy hermoso/a (male/female 'you')
You can say "motocicleta" or "moto" for short. Remember that it is "la moto".
algo corto/a (male/female)
Mi novio es bajo.
Sra. (short for señora)
Estoy bajo
La bota es corta.
Soy bajo/a (male/female)
curto = short, dock-tailed (Pronounced 'COORtaw')