Cosine

6 lettersnounmoderate

Updated June 2026

Definition

The trigonometric ratio of the length of the side adjacent to a given acute angle to the length of the hypotenuse in a right-angled triangle.

“She multiplied the force by the cosine of the angle to find the horizontal component.”

Pronunciation

IPA

/ˈkəʊ.saɪn/

Syllables

co·sine

Related Words

Synonyms

costrigonometric ratio

Antonyms

sine

Word Game Tips

🟩

Wordle

three vowels (O, I, E) in six letters, COS opening is a strong Wordle start, ends in the common INE pattern

🔤

Scrabble

all common tiles scoring modestly, INE ending can hook well, good for clearing a vowel-heavy rack

Words Related to Cosine

Anagrams of Cosine

Words that use exactly the same letters as “cosine”.

conies icones oscine

Words you can make from Cosine

Shorter words formed from the letters in “cosine”.

cines cions coins cones cosen cosie cosin eosin icons noise onces oscin scion scone secno senci since sonic cine cion cise coes coin cone

Add a letter to make a longer word

7-letter words you can spell by adding one letter to “cosine”.

notices section

Explore Similar Words

6-letter words starting with C 6-letter words ending with E All 6-letter words 5-letter words 7-letter words All word lists

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Dictionary References

Look up cosine in an authoritative dictionary for full definitions, pronunciation, and etymology.

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