1 low

2 beneath

3 to lower (one's head)

4 to let droop

5 to hang down

6 to incline

1 low pitch

2 quiet (voice)

3 subdued

4 low-key

5 low-profile

1 low status

2 lowly

3 to lower (one's head)

1 to be lower than

1 to underestimate

2 to underrate

1 lit. to fight it out with sb to see who is best (idiom)

2 fig. to cross swords with

3 to lock horns

1 can't recognize tall or short (idiom); doesn't know what's what

1 man seeks his way up just as water seeks its way down (idiom)

2 one should constantly strive to make progress

1 in a whisper

2 in a low voice (idiom)

1 to be fawningly submissive (idiom)