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Definitions

adamantly

[ad-uh-muhnt-lee, -mant-] / ˈæd ə mənt li, -ˌmænt- /
ADVERB
firmly
Synonyms
STRONGEST
decisively doggedly persistently resolutely staunchly steadfastly strictly stubbornly tenaciously
STRONG
unwaveringly
WEAK
constantly indefatigably intently obdurately obstinately perseveringly pertinaciously purposefully stolidly through thick and thin unchangeably with heavy hand
Antonyms
WEAK
changeably flexibly indefinitely movably waveringly weakly

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.

“They’re part of the book of my head,” Fennell says, adamantly.

From Los Angeles Times • Feb. 11, 2026

US President Donald Trump said Monday he was considering selling top-end F-35 fighter jets to Turkey, during a visit by Israeli Prime Minister Benjamin Netanyahu who adamantly opposes the move.

From Barron's • Dec. 29, 2025

Other Pacific islands are adamantly opposed, saying offshore mining is too dangerous, with science on its practicality lacking.

From The Wall Street Journal • Dec. 27, 2025

Lizzo has adamantly denied the allegations against her.

From BBC • Dec. 16, 2025

This was mainly because British Prime Minister Margaret Thatcher was adamantly opposed.

From "Long Walk to Freedom" by Nelson Mandela

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.