sharpened

USSHAR-puhnd/ˈʃɑɹpənd/UKSHAH-puhnd/ˈʃɑːpənd/

2 meanings of sharpened

1
verb
Past tense and past participle of sharpen.
The chef sharpened each knife on a whetstone before the dinner rush.
Tensions between the two neighbors sharpened after the argument over the fence.
Note
One spelling does both jobs, simple past (she sharpened the pencil) and past participle (the blades had been sharpened). The verb also works without an object, so a feeling can sharpen by itself: her fear sharpened as night fell. Figurative objects work as well, as in sharpened skills, and before a noun the participle shades into the plain adjective.
2
adjective
Having a point or edge that is sharp.
The pit was lined with sharpened stakes to stop the enemy.
A freshly sharpened knife slices tomatoes without crushing them.
Similarsharp, pointed, honed
Oppositeblunt, dull

sharpened is a form of sharpen

sharpen, verb: To make something sharp or sharper, such as a blade or a pencil point, or, figuratively, a skill or a feeling. Full entry

Forms: sharpensharpens he/she/itsharpening -ing formsharpened past tense, past participle
Spelling: sharpen → sharpened: add -ed
Sound: The ending sounds like /d/.

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