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barriers

NOUN

obstruction

Synonyms

STRONGEST

barricade blockade boundary fence hurdle impediment limit obstacle railing roadblock wall

STRONG

bar bound confines curtain ditch enclosure fortification gully moat palisade rampart stop trench

WEAK

blank wall pale

Antonyms

STRONGEST

assistance help opening

STRONG

open

NOUN

obstruction to goal

Synonyms

STRONGEST

difficulty drawback hindrance hurdle impediment obstacle restraint restriction stumbling block

STRONG

bar check encumbrance limitation preventive

WEAK

pale

Antonyms

STRONGEST

advantage aid assistance benefit freedom help

WEAK

opening

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.

"Now we have a facility with established aged mouse colonies, which lowers the cost and time barriers to aging research," he said.

From Science Daily • May 31, 2026

The RCP said the main barriers to recruitment were shortages of qualified pathologists, budget constraints, and delays due to approvals or processes.

From BBC • May 29, 2026

To guard in the event of a spill, authorities set up sandbag barriers to block the chemical from storm drains that lead to the ocean.

From Los Angeles Times • May 26, 2026

The strategy could help these cells overcome the protective barriers many tumors use to avoid being destroyed.

From Science Daily • May 25, 2026

He quickly learned to set up the barriers, but I’m not sure he felt he could count on them.

From "The Left Hand of Darkness" by Ursula K. Le Guin