firmly fixed or stretched; not loose

• fitting closely to the body
• taut, under tension

narrow or cramped

• difficult to pass through
• of a turn, sharply curved

with little room or margin

• restricted or strictly controlled
• very close in score or time

sealed against leakage

• airtight or watertight

closely connected; intimate and loyal

short of money

• unwilling to spend; frugal or miserly

precise, disciplined, and well-rehearsed

• allowing few chances; defensively solid

firmly or securely

• soundly

to make tight; tighten

• to make watertight or airtight