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tar

1 tar /ˈtɑɚ/ noun
plural tars
1 tar
/ˈtɑɚ/
noun
plural tars
Britannica Dictionary definition of TAR
[count, noncount]
: a very thick, black, sticky liquid made from coal that becomes hard when it cools and that is used especially for road surfaces see also coal tar
: a sticky substance that is formed by burning tobacco
2 tar /ˈtɑɚ/ verb
tars; tarred; tarring
2 tar
/ˈtɑɚ/
verb
tars; tarred; tarring
Britannica Dictionary definition of TAR
[+ object]

tar and feather (someone)

: to cover (someone) with tar and then with feathers as an old-fashioned punishment
informal : to punish (someone) very severely

tar (someone) with the same brush

: to think that (someone) has the same bad qualities and deserves the same blame or criticism as another person because of being connected or associated with that person in some way