tight arse or (N American) tight ass noun (slang)

1. A mean, tight-fisted person
2. An excessively conservative or repressed person

tight end noun (American football)

A player who is positioned at the outside of the offensive line

tightˈ-fisted adjective (informal)

Stingy

tight-head prop noun (rugby)

The prop forward on the right of the front row of the scrum in either team

tight junction noun (biology)

A junction between epithelial cells where the membranes are in close contact, with no intervening intercellular space

tight-knitˈ or tightly-knitˈ adjective

1. Close-knit
2. Closely integrated
3. Tightly organized

tight-laceˈ transitive verb and intransitive verb

(of clothing) to tie tightly, so compressing the waist

tight-lacedˈ or tightˈ-lace adjective

Strait-laced

tight-lāˈcer noun

tight-lāˈcing noun

Compression of the waist by tight clothes

tightˈ-lipped adjective

Uncommunicative

tightˈrope noun

1. A taut rope or wire on which feats of balancing and acrobatics are performed
2. A middle course between dangerous or undesirable alternatives (figurative)

tightˈwad noun (informal; esp N American)

A skinflint, miser

tightˈy-whitˈies plural noun (US inf)

Men's brief underpants

a tight corner or spot

A difficult situation

run a tight ship

To be in control of an efficient, well-run organization or group

tighten the screws

To increase pressure (esp on someone to do something)