From root: asim
Conjugations
Past (Completed)
umasim
u-ma-SIM
became sour
Present (Incomplete)
umaasim
u-ma-a-SIM
becoming sour
Future (Contemplated)
aasim
a-a-SIM
will become sour
Usage Note
Umasim is used to describe something turning sour, such as food fermenting or a person's facial expression reacting to something unpleasant. It is commonly used when discussing food quality or describing someone's 'sour' mood.
Examples
" Umasim ang gatas. "
Natural Translation
The milk became sour.
Literal Translation
Became-sour the milk.
" Nagsimulang umasim ang nilutong pagkain. "
Natural Translation
The cooked food started to become sour.
Literal Translation
Started become-sour the cooked food.
" Kapag naiwan mong nakabukas ang ulam sa labas, mabilis itong umasim lalo na kung mainit ang panahon. "
Natural Translation
If you leave the dish uncovered outside, it quickly turns sour, especially when the weather is hot.
Literal Translation
When left you uncovered the dish at outside, quickly it become-sour especially if hot the weather.
Tagalog builds thousands of words from a few hundred roots.
How Tagalog words workWord family
asim has 7 related forms built from the same root.
Related Words
Explore Tagalog by topic
Free guides on grammar, vocabulary, and culture to take you past single-word lookups.

Mano Po and Filipino Etiquette: A Visitor's Guide
Mano po presses an elder's hand to your forehead as a blessing. Learn who to mano, how to lip-point, and the etiquette that wins over a Filipino family.

Ng vs Nang in Tagalog: The Spelling Rule
Ng vs nang sound identical but spell differently. Use ng to mark nouns (of, the object), and nang for how, when, repetition, and counting time.

Languages of the Philippines: Tagalog, Cebuano, and More
Languages of the Philippines: one national language (Filipino) plus 180+ regional languages. Here's who speaks what, where, and why it matters to you.

How to Say Sorry in Tagalog: Patawad vs Pasensya
How to say sorry in Tagalog: patawad, pasensya na, and paumanhin compared on a simple severity-and-formality ladder so you pick the right word every time.