Of or pertaining to the science of vision; optical.
Open English WordNet identifies the related term as a broader lexical category for at least one sense.
The troops who march in front of an army; the advance guard; the van.
These links were deliberately created. Use the interchangeability score and guidance to judge whether a word will work in your sentence.
Of or pertaining to the science of vision; optical.
Open English WordNet identifies the related term as a broader lexical category for at least one sense.
The state of being posited, or placed; the manner in which anything is placed; attitude; condition; as, a firm, an inclined, or an upright position.
Open English WordNet identifies the related term as a broader lexical category for at least one sense.
The act of seeing or beholding; sight; look; survey; examination by the eye; inspection.
Open English WordNet identifies the related term as a broader lexical category for at least one sense.
The front of an army; the first line or leading column; also, the front line or foremost division of a fleet, either in sailing or in battle.
Open English WordNet places these words in at least one shared synset. They share a lexicalised sense, but context, register and collocation should still be checked before substitution.
Their definitions overlap or refer to similar ideas. Use these to widen your search, then compare the exact meanings.
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