endless

tiresomely long; seemingly without end

• “endless debates”
• “an endless conversation”
• “the wait seemed eternal”
• “eternal quarreling”
• “an interminable sermon”

infinitely great in number

• “endless waves”

having no known beginning and presumably no end

• “the dateless rise and fall of the tides”
• “time is endless”
• “sempiternal truth”

having the ends united so as to form a continuous whole

• “an endless chain”

occurring so frequently as to seem ceaseless or uninterrupted

• “a child”
• “;”