strength (noun) — sense 3 The strongest part of something; that on which confidence or reliance is based.
stress (noun) — sense 2 Aggression toward an organism resulting in a response in an attempt to restore previous conditions.
stress (noun) — sense 3 The internal distribution of force across a small boundary per unit area of that boundary (pressure) within a body. It causes strain or deformation…
strike (noun) — sense 4 A status resulting from a batter swinging and missing a pitch, or not swinging at a pitch when the ball goes in the strike zone, or hitting a foul…
strike (noun) — sense 6 A work stoppage (or otherwise concerted stoppage of an activity) as a form of protest.
strike (verb) — sense 3 To have a sharp or sudden physical effect, as of a blow.: To give, as a blow; to impel, as with a blow; to give a force to; to dash; to cast.
stronger (adj) — sense 1 Said of one proposition with respect to another one: that the former entails the latter, but the latter does not entail the former.
struggle (noun) — sense 1 A contortion of the body in an attempt to escape or to perform a difficult task.
struggle (verb) — sense 5 To strive, or to make efforts, with a twisting, or with contortions of the body.
student (noun) — sense 2 A person who is formally enrolled at a school, a college or university, or another educational institution.
student (noun) — sense 3 A person who is formally enrolled at a school, a college or university, or another educational institution.: A person who is enrolled at a college or…
study (noun) — sense 3 Any particular branch of learning that is studied; any object of attentive consideration.
study (verb) — sense 1 To review materials already learned in order to make sure one does not forget them, usually in preparation for an examination.
study (verb) — sense 3 To acquire knowledge on a subject with the intention of applying it in practice.