front has 15 distinct synonyms spread across 7 of its 13 senses. Each sense below keeps its own list, because a synonym belongs to a meaning and not to a word: swapping one sense's substitute into another sense's sentence is how a thesaurus makes writing worse. Its 2 recorded opposites are rear, back.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
the outward appearance of a person
“he put up a bold front”
a person used as a cover for some questionable activity
a sphere of activity involving effort
“the Japanese were active last week on the diplomatic front”
(meteorology) the atmospheric phenomenon created at the boundary between two different air masses
a group of people with a common ideology who try together to achieve certain general goals
“he was a charter member of the movement”
relating to or located in the front
“the front lines”
Synonyms, antonyms and the broader and narrower relations for front come from Princeton University’s WordNet. Full sources and licences.
confront bodily
“breast the storm”