Definitions

upstream

[uhp-streem] / ˈʌpˈstrim /

ADJECTIVE

difficult

Synonyms

STRONGEST

ambitious arduous burdensome challenging crucial demanding laborious onerous painful problematic severe strenuous tough troublesome

WEAK

backbreaker bothersome difficile easier said than done effortful exacting formidable galling gargantuan hard-won heavy herculean immense intricate irritating labored no picnic not easy operose problem prohibitive rigid stiff titanic toilsome trying unyielding uphill wearisome

Antonyms

STRONGEST

easy effortless facile helpful nice trivial

WEAK

calm free friendly manageable plain simple sociable straightforward uncomplicated

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

upstream

Instead, the firm agreed to reroute investment to build a LNG plant in Texas and to develop "upstream conventional oil" in the Gulf of Mexico.

From BBC ● Aug. 7, 2026

BP said it now expects upstream production of between 2.18 million and 2.27 million barrels of oil per day, down from 2025’s figure of 2.31 million barrels.

From MarketWatch ● Aug. 4, 2026

One major obstacle was that a single spacecraft could not observe the undisturbed solar wind upstream of Mars while also measuring atmospheric ions escaping closer to the planet.

From Science Daily ● Aug. 3, 2026

Shell said its earnings reflect record upstream production in Brazil and record refinery utilization.

From The Wall Street Journal ● Jul. 30, 2026

“Yes, all right,” said Hazel good-naturedly, as he began to limp along the bank upstream.

From "Watership Down: A Novel" by Richard Adams

upstream

Example Sentences

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