Similar words
único
Worth distinguishing: único (unique) describes distinctiveness; solitário (solitary) describes being alone/isolated.
Similar in other languages
French
solitaire
solitaire is the French word for the same thing — both mean "solitary."
Practice
1 What does solitário mean?
solitary
2 Fill the gap: É um homem ___.
Full sentence: É um homem solitário. (He is a solitary man.)
3 Which fingerprint chart matches solitário?
solitário: neutral register, common frequency, general domain, neutral connotation.