WordReference Random House Learner's Dictionary of American English © 2026
sin•ew /ˈsɪnyu/USA pronunciation
n.
WordReference Random House Unabridged Dictionary of American English © 2026- Anatomy[countable] a tendon.
- strength;
power;
resilience:[uncountable]great moral sinew.
sin•ew
(sin′yo̅o̅),USA pronunciation n.
v.t.
sin′ew•less, adj.
- Anatomya tendon.
- Often, sinews. the source of strength, power, or vigor:the sinews of the nation.
- strength;
power;
resilience:a man of great moral sinew.
v.t.
- to furnish with sinews;
strengthen, as by sinews.
- bef. 900; Middle English; Old English sinu (nominative), sinuwe (genitive); cognate with Dutch zenuw, German Sehne, Old Norse sin; akin to Sanskrit snāva sinew
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'sinew' also found in these entries (note: many are not synonyms or translations):