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Multiple Choice

The prefix ob- conveys which meaning?

The prefix ob- carries the sense of toward, against, or in the way, which often expresses blocking or hindering. When ob- is attached to words like obstacle or obstruct, it conveys the idea of something that stands in the path or prevents progress. That’s why the meaning tied to this prefix is Blocking. The other possible ideas (external, all, or ask) don’t match how ob- functions in English derivatives, which focus on opposing or blocking rather than outward direction, totality, or inquiry.

The prefix ob- carries the sense of toward, against, or in the way, which often expresses blocking or hindering. When ob- is attached to words like obstacle or obstruct, it conveys the idea of something that stands in the path or prevents progress. That’s why the meaning tied to this prefix is Blocking. The other possible ideas (external, all, or ask) don’t match how ob- functions in English derivatives, which focus on opposing or blocking rather than outward direction, totality, or inquiry.