fluir

Definition & meaning

Fluir means to flow or to move smoothly and continuously. It is usually used for water, other liquids, or things that move like a current:

• El río fluye hacia el mar. — “The river flows toward the sea.”
• La sangre fluye por las venas. — “Blood flows through the veins.”

It is also used figuratively:

• For ideas, conversation, or events to come or develop naturally: La conversación fluyó con facilidad. — “The conversation flowed easily.”
• For time to pass: Los días fluyen. — “The days go by.”
• For traffic, information, or energy to circulate or move.

Grammar & Word origin

Fluir is an intransitive verb in the third conjugation, ending in -ir. It comes from Latin fluere, meaning “to flow.”

It has a spelling change in some present-tense forms: fluyo, fluyes, fluye, and fluyen. The y helps represent the sound between vowels. Other forms include fluía, fluyó, and the past participle fluido.

Synonyms & antonyms

Synonyms vary with the context:

• correr ↗ — “to run” or “to flow”; commonly used for water, but less suggestive than fluir of a steady, continuous movement.
• circular ↗ — “to circulate”; emphasizes movement through a system or among people.
• manar ↗ — “to spring or pour forth,” especially from a source.
• discurrir ↗ — can describe time passing or thoughts unfolding; more literary than fluir.
• desarrollarse ↗ — “to develop”; applies to situations or processes, rather than literal movement.

Possible antonyms include:

• estancarse ↗ — “to stagnate”; describes something that stops progressing or moving freely.
• detenerse ↗ — “to stop,” a general opposite of flowing.
• bloquearse ↗ — “to become blocked”; emphasizes an obstruction.

Common phrases & collocations

• fluir el agua — for water to flow.
• fluir la sangre — for blood to flow.
• fluir el tráfico — for traffic to move smoothly.
• fluir la conversación — for conversation to flow naturally.
• dejar fluir — “to let flow”; often used figuratively about ideas or emotions.