strident

US /ˈstraɪ.dənt/
UK /ˈstraɪ.dənt/
"strident" picture
1.

loud and harsh; grating

:
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The old machine made a strident noise.
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Her strident voice cut through the chatter.
:
harshgratingjarringshrillloudpiercing
2.

presenting a point of view, especially a controversial one, in an excessively and unpleasantly forceful way

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She was known for her strident criticism of the government.
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His strident demands alienated many of his supporters.
:
forcefulinsistentuncompromisingunyieldingdogmatic