Reggere vs. sorreggere vs. sostenere vs. supportare
In Italian, reggere, sorreggere, sostenere, and supportare can all be translated as to support in the sense of holding weight. However, they are not interchangeable and each carries a specific nuance. Understanding these differences is key to using them correctly and sounding more like a native speaker.
Reggere
A2Reggere is the most common and basic verb for this meaning. It focuses on the capacity or ability of an object to withstand weight or pressure without breaking or collapsing. The core idea is resistance to a force.
Questa mensola non regge il peso di tutti questi libri.
(This shelf doesn't hold the weight of all these books.)
Dopo la lunga corsa, le gambe non mi reggono più.
(After the long run, my legs can no longer hold me up.)
Il vecchio ponte di legno non reggerà un camion così pesante.
(The old wooden bridge will not hold such a heavy truck.)
Il chiodo nel muro regge a malapena il quadro.
(The nail in the wall is barely holding the painting.)
Sorreggere
B1Sorreggere implies a more active form of support, often from underneath, to hold something or someone up and prevent them from falling. It has a nuance of propping up, buttressing, or giving assistance to maintain an upright position.
Le grandi colonne doriche sorreggono il tetto del tempio.
(The large Doric columns support the roof of the temple.)
Mi ha sorretto per un braccio per aiutarmi a camminare sulla neve.
(He supported me by the arm to help me walk on the snow.)
L'infermiera sorreggeva la testa del paziente per aiutarlo a bere.
(The nurse was supporting the patient's head to help him drink.)
L'atleta si sorreggeva alle stampelle dopo l'infortunio.
(The athlete was supporting himself on crutches after the injury.)
Sostenere
B1Sostenere describes providing a stable, foundational, and often long-term support. It refers to the underlying structure that bears the weight of something. While it can overlap with sorreggere, sostenere emphasizes the fundamental, structural role of the support.
Le fondamenta sostengono il peso dell'intero edificio.
(The foundations support the weight of the entire building.)
Il muro portante sostiene il solaio del primo piano.
(The load-bearing wall supports the floor of the second story.)
Un robusto piedistallo di marmo sostiene la statua.
(A sturdy marble pedestal supports the statue.)
I piloni in cemento armato sostengono il viadotto autostradale.
(The reinforced concrete pillars support the highway viaduct.)
Supportare
B2Supportare is a false friend. Its primary and most correct meaning in Italian is to endure, to tolerate, or to put up with something negative (like a cost, a pain, or an annoying person). Using it to mean holding physical weight is a very common borrowing from English (an Anglicism). While it might be understood, especially in technical contexts, reggere, sorreggere, or sostenere are almost always the better choices for physical support.
Faccio fatica a supportare il suo atteggiamento arrogante.
(I find it hard to tolerate his arrogant attitude.)
La nostra azienda supporterà tutti i costi del progetto.
(Our company will bear all the costs of the project.)
La struttura è progettata per supportare carichi eccezionali. (Note: an example of the English-influenced use)
(The structure is designed to support exceptional loads.)
Non riesco a supportare questo mal di testa.
(I can't bear this headache.)
Summary
To put it simply: reggere is about the capacity to hold a weight. Sorreggere is about actively propping something up to prevent a fall. Sostenere is about providing the fundamental, structural support for something. Supportare primarily means to tolerate or to endure, and its use for physical weight is generally an Anglicism to be used with caution.