ugly
This term 'feo' explains the aesthetic quality characterized by various degrees of unattractiveness.
That building is very ugly.
In this phrase, 'feo' is used to describe a building which the speaker finds aesthetically unappealing. In Spanish, 'feo' is a common adjective that is generally used to refer to something that isn't handsome or that is unpleasant.
Why are you so ugly today?
This sentence could be translated into English directly, but 'You look rough today' should be a better edition because 'feo' could also mean looking unwell/tired/pale etc.
The weather is bad.
'Feo' also applies to weather conditions. In Spanish when one refers to the weather as 'feo', it means that the weather conditions are unfavorable or severe.
This article is bad.
'Feo' is also used to describe something that is of poor quality, as can be case in referring to an article as 'feo' in this phrase.
Don't be mean, play fair.
'Feo' is being used metaphorically to refer to accuses someone of being disagreeable in behavior or mean-spirited. So the implied meaning is, play fairly and don't be disagreeable!
I feel bad without you.
In this context, 'Feo' refers to the emotional state of the speaker felt deprived of a certain person.
Your car is very ugly.
The word 'feo' in this case is used to describe a trading connotation in Spanish which will implies that your car isn't aesthetically appealing.
I saw a really ugly cat.
'Feo' is used to describe something not enticing to look at, i.e., the cat as the speaker indicated.
Ugly as a swear word!
In this context, 'Feo' refers to a metaphor indicating the unpleasantness of swear words reflected upon someone's appearance
The ugly duckling.
'Feo' is used here to denote the unattractiveness of the duckling in comparison to his siblings in the original context from the well-known fairy tale.