鋭

sharp (knife, claws, etc.); pointed

sharp (pain, tone, etc.); acute; stabbing; cutting (remark, criticism, etc.); stinging; biting; fierce (attack); pointed (question, look, etc.); piercing (gaze); shrill (sound)

keen (intuition, sense of smell, etc.); acute; sharp (eye, mind, etc.); astute; shrewd; discerning; penetrating (insight, question, etc.); perceptive

elite; best; pick; cream of the crop

sharp; keen; acute

sharp (eyes, ears, etc.); keen; acute; sensitive

sharp-witted; shrewd; clever; astute; acute

state-of-the-art; cutting-edge

Adjectival nouns or quasi-adjectives (keiyodoshi)

sharpness

sharp weapon; blade

fine soldier

acute angle

eagerly; earnestly; zealously; wholeheartedly; diligently; assiduously

young and energetic; up-and-coming; new and excellent; newly produced; up-and-comer

angular; angular-shaped; sharp-pointed

courage; ardour; high spirits

radical; acute; sharp

genius; brilliance; unusual talent

gifted person; person of unusual talent

radicalization; radicalisation; becoming a radical

intensification; aggravation; becoming acute

sharpening (e.g. of an image); narrowing (of a peak)

spirited; energetic

brunt of attack or argument

elite force; elite troops

sensitiveness; sensitivity; delicacy (e.g. of feeling)

picked troops

sharp; clear

acute (of the shape of a leaf); acuminate; pointed

acuminate (i.e. sharp shape of leaf); apiculate

anatase (TiO2); octahedrite

acute (of the shape of a leaf tip)