touch

1 touch /ˈtʌtʃ/ verb
touches; touched; touching
1 touch
/ˈtʌtʃ/
verb
touches; touched; touching
Britannica Dictionary definition of TOUCH
1 
: to put your hand, fingers, etc., on someone or something
[+ object]
[no object]
— usually used in negative statements
2 
: to be in contact with (something) — used to say that one thing is directly against another thing with no space between
[+ object]
[no object]
3 
[+ object]
a  : to change or move (something) — usually used in negative statements
b  : to harm (someone or something)
4 
[+ object]
a  : to deal with or work on (something)
b  : to become involved with (someone or something)
5 
[+ object] : to use (something) — usually used in negative statements
6 
[+ object]
a  : to affect or involve (someone)
b  : to affect the feelings of (someone) : to cause (someone) to feel an emotion (such as sympathy or gratitude)
— see also touching
7 
[+ object] : to influence (something)
8 
[+ object] : to be as good as (someone or something) — usually used in negative statements
9 
[+ object] chiefly British : to reach (a particular level or amount)
10 
[+ object] baseball : to get a hit off or score a run against (a pitcher) — usually + for
11 
[+ object] literary : to appear on (something)

not touch (someone or something) with a ten-foot pole

(US) informal or British not touch (someone or something) with a bargepole
: to refuse to go near or become involved with (someone or something)

touch a chord

— see 2chord

touch all the bases

or touch every base
— see 1base

touch a nerve

— see nerve

touch base

— see 1base

touch down

[phrasal verb]
1 
: to return to the ground or another surface after a flight : land
2 
touch (the ball) down or touch down (the ball) rugby : to score by putting (the ball) on the ground behind an opponent's goal line — see also touchdown

touch for

[phrasal verb]
touch (someone) for (something) informal British
: to persuade (someone) to give or lend you (an amount of money) — see also 1touch 10 (above)

touch off

[phrasal verb]
touch off (something) or touch (something) off
: to cause (something) to start suddenly

touch on/upon

[phrasal verb]
1 
touch on/upon (something)
: to briefly talk or write about (something) : to mention (something) briefly
2 
: to come close to (something) : to almost be (something)

touch up

[phrasal verb]
1 
touch up (something) or touch (something) up : to improve (something) by making small changes or additions
2 
touch (someone) up or touch up (someone) British, informal : to touch (someone) in a sexual way

touch wood

— see 1wood

touch your forelock

— see forelock
2 touch /ˈtʌtʃ/ noun
plural touches
2 touch
/ˈtʌtʃ/
noun
plural touches
Britannica Dictionary definition of TOUCH
1 
[count] : the act of touching someone or something — usually singular
2 
[noncount] : the ability to be aware of something physical by touching it : the sense that allows you to feel physical things
3 
[singular] : the quality of a thing that is experienced by feeling or touching it
4 
[count] : a small detail that is added to improve or complete something — usually + to
5 
[singular] : a quality that can be seen in the way something is done
— see also midas touch
6 
[count] : an act of handling or controlling the ball in a sport (such as basketball, soccer, or American football)
7 
[noncount] : the area outside of the lines that mark the long edges of the playing area in soccer or rugby

a touch

: to a small extent : slightly

a touch of

: a small amount of (something) : a hint or trace of (something)

finishing touch

— see 1finish

in touch

1 
: in a state in which people communicate with each other especially by calling or writing to each other — often + with
2 
a  : in the state of being aware of what is happening, how a particular group of people feels, etc. — usually + with
b  : in the state of being aware of a particular part of your character that is not easily noticed — usually + with

lose touch

1 
: to stop communicating with each other : to no longer know what is happening in each other's lives
— often + with
2 
: to stop knowing what is happening, how a particular group of people feels, etc. — usually + with

lose your touch

: to no longer have the ability to do things that you were able to do successfully in the past

out of touch

1 
: not communicating with each other
2 
: in a state of not knowing what is happening, how a particular group of people feels, etc.
— usually + with